Photos: Cities across Ukraine come under Russian attack

Russian President Vladimir Putin announced Thursday a military operation in Ukraine to defend separatists in the country's east. World leaders and the Ukrainian government have decried the attack by Russia. Above, view of an explosion near Dnipro, Ukraine.

A view shows the Ukrainian State Border Guard Service site damaged by shelling in the Kyiv region, Ukraine.

Ukrainian military truck burns at an air defence base after an apparent Russian strike in Mariupol, Ukraine.

Residents wait to leave the capital as trains are delayed or cancelled at Kyiv-Pasazhyrskyi railway station, Kyiv, Ukraine.

The body of a rocket stuck in an apartment building after recent shelling on the northern outskirts of Kharkiv.

Russian Army military vehicles drive along a street after Russian President Vladimir Putin authorized an army operation in eastern Ukraine in Armyansk, Crimea.

View shows the aftermath of shelling in Kharkiv, Ukraine.

People wait in a traffic jam as they leave the city of Kharkiv.

Damaged radar, a vehicle and equipment are seen at a Ukrainian military facility outside Mariupol, Ukraine.

Smoke rise from an air defence base in the aftermath of an apparent Russian strike in Mariupol, Ukraine.

Firefighters work on a fire on a building after bombings on the eastern Ukraine town of Chuguiv.

People stand outside a destroyed building after bombings on the eastern Ukraine town of Chuguiv.

People and children walk at the border crossing between Poland and Ukraine, after Russian President Vladimir Putin authorized a military operation in eastern Ukraine, in Medyka, Poland.

People are seen stuck in a huge traffic jam as they try to leave Kyiv in the direction of the western parts of the country on February 24, 2022.

Passengers use their mobile phones while travelling on a Metro train in Kyiv, Ukraine.

Ukrainian military vehicles move past Independence square in central Kyiv on February 24, 2022. Air raid sirens rang out in downtown Kyiv today as cities across Ukraine were hit with missile strikes and artillery.

A local citizen shows the debris of a privet house in the aftermath of Russian shelling outside Kyiv, Ukraine.

Ukrainian servicemen get ready to repel an attack in Ukraine's Lugansk region.