As Russian soldiers try to infiltrate Kupyansk through a gas pipeline, Ukrainian forces are waiting for them.

Ukraine has condemned a massive Russian overnight attack as an attempt to upend peace negotiations in the United Arab Emirates aimed at ending the nearly four-year-long full-scale war.

The Ukrainian authorities say the repeated attacks on energy infrastructure are an attempt to force the country into submission.

A historic theater in the Russian-occupied Ukrainian city of Mariupol has opened its doors more than three years after it was pummeled in a Russian airstrike that killed hundreds of civilians sheltering inside.Drone video of Mariupol after airstrikes above ...