Firefighters work at the scene of an explosion in Sapporo, Japan, Monday, Dec. 17, 2018. Dozens of people were injured in the explosion Sunday night at a Japanese restaurant in northern Japan, police said. The explosion occurred in Sapporo, the capital city of Japan's northern main island of Hokkaido, and caused nearby apartment buildings and houses to shake. (Masanori Takei/Kyodo News via AP)