Spanish Kings Felipe VI and Letizia Ortiz with Prime Minister Mariano Rajoy , President of Cataluna Carles Puigdemont and Mayor of Barcelona Ada Colau observe a minute's silence for the victims of terrorism attack in Barcelona in Catalunya Square on Friday on 18 August 2017. A ceremony in memory of all victims of terrorist attack in Las Ramblas on Thursday in Barcelona, Spain

Spanish Kings Felipe VI and Letizia Ortiz with Prime Minister Mariano Rajoy , President of Cataluna Carles Puigdemont and Mayor of Barcelona Ada Colau observe a minute's silence for the victims of terrorism attack in Barcelona in Catalunya Square on Friday on 18 August 2017. A ceremony in memory of all victims of terrorist attack in Las Ramblas on Thursday in Barcelona, Spain

Spanish Kings Felipe VI and Letizia Ortiz with Prime Minister Mariano Rajoy , President of Cataluna Carles Puigdemont and Mayor of Barcelona Ada Colau observe a minute's silence for the victims of terrorism attack in Barcelona in Catalunya Square on Friday on 18 August 2017. A ceremony in memory of all victims of terrorist attack in Las Ramblas on Thursday in Barcelona, Spain

Spanish Kings Felipe VI and Letizia Ortiz with Prime Minister Mariano Rajoy , President of Cataluna Carles Puigdemont and Mayor of Barcelona Ada Colau observe a minute's silence for the victims of terrorism attack in Barcelona in Catalunya Square on Friday on 18 August 2017. A ceremony in memory of all victims of terrorist attack in Las Ramblas on Thursday in Barcelona, Spain

Spanish Kings Felipe VI and Letizia Ortiz with Prime Minister Mariano Rajoy , President of Cataluna Carles Puigdemont and Mayor of Barcelona Ada Colau observe a minute's silence for the victims of terrorism attack in Barcelona in Catalunya Square on Friday on 18 August 2017. A ceremony in memory of all victims of terrorist attack in Las Ramblas on Thursday in Barcelona, Spain

Spanish Kings Felipe VI and Letizia Ortiz with Prime Minister Mariano Rajoy , President of Cataluna Carles Puigdemont and Mayor of Barcelona Ada Colau observe a minute's silence for the victims of terrorism attack in Barcelona in Catalunya Square on Friday on 18 August 2017. A ceremony in memory of all victims of terrorist attack in Las Ramblas on Thursday in Barcelona, Spain

Spanish Kings Felipe VI and Letizia Ortiz with Prime Minister Mariano Rajoy , President of Cataluna Carles Puigdemont and Mayor of Barcelona Ada Colau observe a minute's silence for the victims of terrorism attack in Barcelona in Catalunya Square on Friday on 18 August 2017. A ceremony in memory of all victims of terrorist attack in Las Ramblas on Thursday in Barcelona, Spain

Spanish Kings Felipe VI and Letizia Ortiz with Prime Minister Mariano Rajoy , President of Cataluna Carles Puigdemont and Mayor of Barcelona Ada Colau observe a minute's silence for the victims of terrorism attack in Barcelona in Catalunya Square on Friday on 18 August 2017. A ceremony in memory of all victims of terrorist attack in Las Ramblas on Thursday in Barcelona, Spain

Spanish Kings Felipe VI and Letizia Ortiz with Prime Minister Mariano Rajoy , President of Cataluna Carles Puigdemont and Mayor of Barcelona Ada Colau observe a minute's silence for the victims of terrorism attack in Barcelona in Catalunya Square on Friday on 18 August 2017. A ceremony in memory of all victims of terrorist attack in Las Ramblas on Thursday in Barcelona, Spain

BARCELONA, SPAIN - AUGUST 18: King Felipe VI of Spain, Spanish Prime Minister Mariano Rajoy and the President of the Catalan government, Carles Puigdemont attend a remembrance at Catalonia Square for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: King Felipe VI of Spain attends a remembrance at Catalonia Square for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: King Felipe VI of Spain (left 3), Spanish Prime Minister Mariano Rajoy (left 2) and the President of the Catalan government, Carles Puigdemont (right 3) attend a remembrance at Catalonia Square for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: King Felipe VI of Spain (left 3), Spanish Prime Minister Mariano Rajoy (left 2) and the President of the Catalan government, Carles Puigdemont (right 3) attend a remembrance at Catalonia Square for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: People attend a remembrance at Catalonia Square for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: King Felipe VI of Spain (left 4), Spanish Prime Minister Mariano Rajoy (left 3) and the President of the Catalan government, Carles Puigdemont (right 3) attend a remembrance at Catalonia Square for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: King Felipe VI of Spain (left 5) and Spanish Prime Minister Mariano Rajoy (left 4) attend a remembrance at Catalonia Square for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

King Felipe of Spain and Spanish Prime Minister, Mariano Rajoy attending the minute silence on the Plaza Cataluna to pay tribute to the attacks in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

BARCELONA, SPAIN - AUGUST 18: King Felipe VI of Spain and Spanish Prime Minister Mariano Rajoy (L) attend a remembrance at Catalonia Square for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: King Felipe VI of Spain and Spanish Prime Minister Mariano Rajoy attend a remembrance at Catalonia Square for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: People release white pigeons during a remembrance at Catalonia Square for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: King Felipe VI of Spain and Spanish Prime Minister Mariano Rajoy (L) attend a remembrance at Catalonia Square for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: King Felipe VI of Spain and Spanish Prime Minister Mariano Rajoy (L) attend a remembrance at Catalonia Square for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

King Felipe of Spain and Spanish Prime Minister, Mariano Rajoy attending the minute silence on the Plaza Cataluna to pay tribute to the attacks in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe of Spain and Spanish Prime Minister, Mariano Rajoy attending the minute silence on the Plaza Cataluna to pay tribute to the attacks in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe of Spain and Spanish Prime Minister, Mariano Rajoy attending the minute silence on the Plaza Cataluna to pay tribute to the attacks in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe of Spain and Spanish Prime Minister, Mariano Rajoy attending the minute silence on the Plaza Cataluna to pay tribute to the attacks in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe of Spain and Spanish Prime Minister, Mariano Rajoy attending the minute silence on the Plaza Cataluna to pay tribute to the attacks in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe of Spain and Spanish Prime Minister, Mariano Rajoy attending the minute silence on the Plaza Cataluna to pay tribute to the attacks in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

BARCELONA, SPAIN - AUGUST 18: King Felipe VI of Spain attends a remembrance at Catalonia Square for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: People gather and mourn at La Rambla boulevard for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: Police take security measures as people gather and mourn at La Rambla boulevard for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: Police take security measures as people gather and mourn at La Rambla boulevard for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: Police take security measures as people gather and mourn at La Rambla boulevard for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: Police take security measures as people gather and mourn at La Rambla boulevard for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: People light candles, leave flowers and notes at La Rambla boulevard for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: People light candles and leave flowers at La Rambla boulevard for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: People light candles and leave flowers at La Rambla boulevard for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: People light candles and leave flowers at La Rambla boulevard for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: People light candles and leave flowers at La Rambla boulevard for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: People light candles and leave flowers at La Rambla boulevard for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: People light candles and leave flowers at La Rambla boulevard for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: People gather and mourn at La Rambla boulevard for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: People gather and mourn at La Rambla boulevard for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: People gather and mourn at La Rambla boulevard for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: People gather and mourn at La Rambla boulevard for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

BARCELONA, SPAIN - AUGUST 18: A woman dries her tears as people gather and mourn at La Rambla boulevard for the victims those who lost their lives in terror attack killing at least 13 people when a white van ploughed into a crowd in central Barcelona, on August 18, 2017, Barcelona, Spain. Burak Akbulut / Anadolu Agency

King Felipe VI of Spain and Prime Minister Mariano Rajoy among thousands observe a minute of silence on the Plaza Cataluna to pay tribute to the victims of the attack in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe VI of Spain and Prime Minister Mariano Rajoy among thousands observe a minute of silence on the Plaza Cataluna to pay tribute to the victims of the attack in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe VI of Spain and Prime Minister Mariano Rajoy among thousands observe a minute of silence on the Plaza Cataluna to pay tribute to the victims of the attack in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe VI of Spain and Prime Minister Mariano Rajoy among thousands observe a minute of silence on the Plaza Cataluna to pay tribute to the victims of the attack in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe VI of Spain and Prime Minister Mariano Rajoy among thousands observe a minute of silence on the Plaza Cataluna to pay tribute to the victims of the attack in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe VI of Spain and Prime Minister Mariano Rajoy among thousands observe a minute of silence on the Plaza Cataluna to pay tribute to the victims of the attack in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe VI of Spain and Prime Minister Mariano Rajoy among thousands observe a minute of silence on the Plaza Cataluna to pay tribute to the victims of the attack in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe VI of Spain and Prime Minister Mariano Rajoy among thousands observe a minute of silence on the Plaza Cataluna to pay tribute to the victims of the attack in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe VI of Spain and Prime Minister Mariano Rajoy among thousands observe a minute of silence on the Plaza Cataluna to pay tribute to the victims of the attack in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe VI of Spain and Prime Minister Mariano Rajoy among thousands observe a minute of silence on the Plaza Cataluna to pay tribute to the victims of the attack in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe VI of Spain and Prime Minister Mariano Rajoy among thousands observe a minute of silence on the Plaza Cataluna to pay tribute to the victims of the attack in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe VI of Spain and Prime Minister Mariano Rajoy among thousands observe a minute of silence on the Plaza Cataluna to pay tribute to the victims of the attack in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe VI of Spain and Prime Minister Mariano Rajoy among thousands observe a minute of silence on the Plaza Cataluna to pay tribute to the victims of the attack in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe VI of Spain and Prime Minister Mariano Rajoy among thousands observe a minute of silence on the Plaza Cataluna to pay tribute to the victims of the attack in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe VI of Spain and Prime Minister Mariano Rajoy among thousands observe a minute of silence on the Plaza Cataluna to pay tribute to the victims of the attack in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe VI of Spain and Prime Minister Mariano Rajoy among thousands observe a minute of silence on the Plaza Cataluna to pay tribute to the victims of the attack in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe VI of Spain and Prime Minister Mariano Rajoy among thousands observe a minute of silence on the Plaza Cataluna to pay tribute to the victims of the attack in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe of Spain and Spanish Prime Minister, Mariano Rajoy attending the minute silence on the Plaza Cataluna to pay tribute to the attacks in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe of Spain and Spanish Prime Minister, Mariano Rajoy attending the minute silence on the Plaza Cataluna to pay tribute to the attacks in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe of Spain and Spanish Prime Minister, Mariano Rajoy attending the minute silence on the Plaza Cataluna to pay tribute to the attacks in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe of Spain and Spanish Prime Minister, Mariano Rajoy attending the minute silence on the Plaza Cataluna to pay tribute to the attacks in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe of Spain and Spanish Prime Minister, Mariano Rajoy attending the minute silence on the Plaza Cataluna to pay tribute to the attacks in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe of Spain and Spanish Prime Minister, Mariano Rajoy attending the minute silence on the Plaza Cataluna to pay tribute to the attacks in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe of Spain and Spanish Prime Minister, Mariano Rajoy attending the minute silence on the Plaza Cataluna to pay tribute to the attacks in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe of Spain and Spanish Prime Minister, Mariano Rajoy attending the minute silence on the Plaza Cataluna to pay tribute to the attacks in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe of Spain and Spanish Prime Minister, Mariano Rajoy attending the minute silence on the Plaza Cataluna to pay tribute to the attacks in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe of Spain and Spanish Prime Minister, Mariano Rajoy attending the minute silence on the Plaza Cataluna to pay tribute to the attacks in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe of Spain and Spanish Prime Minister, Mariano Rajoy attending the minute silence on the Plaza Cataluna to pay tribute to the attacks in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe of Spain and Spanish Prime Minister, Mariano Rajoy attending the minute silence on the Plaza Cataluna to pay tribute to the attacks in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe of Spain and Spanish Prime Minister, Mariano Rajoy attending the minute silence on the Plaza Cataluna to pay tribute to the attacks in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

King Felipe of Spain and Spanish Prime Minister, Mariano Rajoy attending the minute silence on the Plaza Cataluna to pay tribute to the attacks in Barcelona, Spain, on August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

People lay flowers and candlelights in Las Ramblas avenue a day after a deadly van attack in Barcelona, northeasten Spain, August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM

People pay respect to victims in Las Ramblas avenue a day after a deadly van attack in Barcelona, northeasten Spain, August 18, 2017. At least 13 people died and some 100 were injured when a van crashed into pedestrian. Photo by Robin Utrecht/ABACAPRESS.COM