Ukrainian military vehicles move on the road in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

Ukrainian military vehicles move on the road in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

Ukrainian military vehicles move on the road in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

Ukrainian military vehicles move on the road in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

Ukrainian military vehicles move on the road in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

A Ukrainian soldier helps his wounded fellow soldier while military vehicles move on the road in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov), APTOPIX

A Ukrainian soldier takes a photo of a burnt car on the road in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

Ukrainian soldiers move on the road in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

Ukrainian military vehicles move on the road in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

Ukrainian wounded soldiers inside a vehicle on the road in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

A Ukrainian soldier helps a wounded fellow soldier on the road in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

A Ukrainian soldier helps a wounded fellow soldier on the road in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov), APTOPIX

Ukrainian military vehicles move on the road in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

A Ukrainian military vehicle moves on the road in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

A Ukrainian soldier atop a military vehicle on the road in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

Ukrainian military vehicles move on the road in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

A Ukrainian soldier smiles from a military vehicle on the road in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov), APTOPIX

A Ukrainian soldier helps a wounded fellow soldier on the road in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

Ukrainian soldiers on the road in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

A Ukrainian tank on the road in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

A Ukrainian soldier takes a break to rest in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

A Ukrainian soldier takes a break to rest in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

A Ukrainian soldier helps a wounded fellow soldier on the road in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

A Ukrainian soldier plays with a dog as he has a rest in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

A Ukrainian soldier looks on near an exploded car in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

A Ukrainian soldier smiles in the freed territory in the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

A Ukrainian soldier atop a military vehicle on the road in the freed territory of the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

Ukrainian military vehicles move on the road in the freed territory of the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

Ukrainian military vehicles move on the road in the freed territory of the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

A Ukrainian soldier stands on a tank on the road in the freed territory of the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

Ukrainian soldiers stand on the road in the freed territory of the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)

A Ukrainian soldier helps his wounded fellow soldier on the road in the freed territory of the Kharkiv region, Ukraine, Monday, Sept. 12, 2022. Ukrainian troops retook a wide swath of territory from Russia on Monday, pushing all the way back to the northeastern border in some places, and claimed to have captured many Russian soldiers as part of a lightning advance that forced Moscow to make a hasty retreat. (AP Photo/Kostiantyn Liberov)