On Ukraine's Eastern Front

An armored vehicle of Russia's forces moves down a war-ravaged street in Mariupol on  April 12. The massive Soviet-era Azovstal iron and steel works rises in the background. 

A dummy dressed as a Russian fighter hangs outside the village of Barvinkove on April 12. An obscene insult is written on the signboard. 

Emergency workers remove the body of a woman following an artillery attack that damaged an apartment block in Kharkiv on April 13. 

Moscow-backed separatist fighters fire a volley of Grad rockets at Ukrainian forces in the Donetsk region on April 11. 

Troops from Russia's Chechnya region evacuate a wounded man from the battlefield in Novoazovsk on April 12. 

A Ukrainian soldier next to the remains of a missile near Barvinkove on April 11. 

Two women react in the yard of an apartment complex in Kharkiv that was hit by artillery on April 13. 

A PFM-1 "butterfly mine" is seen in Popasnaya on April 11. The cellphone-sized mines are designed to be dropped from aircraft and spin slowly to the ground. Around 5 kilograms of pressure is sufficient to detonate the camouflaged anti-personnel mines. 

Residents of Mariupol carry their belongings past a destroyed building in the southeastern port city on April 10. 

A view down a street in the center of Mariupol on April 12

A woman camps out in the Kharkiv subway to shelter from shelling on April 11. 

A Russian soldier climbs stairs at the destroyed Mariupol Drama Theater on April 12. The photo was taken during a press tour organized by the Russian military. 

Separatist troops pass the Azovstal plant on April 12. 

Ukrainian soldiers take positions in trenches in the Luhansk region on April 11. 

A separatist fighter handles a shell inside a 2S1 Gvozdika self-propelled howitzer in Pervomaysk.

A Ukrainian emergency worker stands over the body of a 41-year-old resident who was killed during shelling that tore through his apartment in Kharkiv on April 13. 

Balo Oleksandr, the mayor of the Ukrainian-held town of Barvinkove, is pictured carrying a weapon on April 12. 

A firefighter works at the scene of a missile attack that impacted buildings near the Kharkiv airport on April 12. 

New images show fighting and destruction of civilian areas in and around the Donbas region as an expected major Russian offensive into the east of Ukraine looms.