A new study finds that scaling up use of methadone and buprenorphine could greatly reduce HIV transmission rates and prevent deaths in Ukraine.

A police officer is killed and dozens injured in clashes in Kiev as Ukrainian politicians back controversial pro-Kremlin legislation.

"Slava Ukraini" means "Glory to Ukraine." It's a nationalistic phrase, and almost impossible to avoid in the country. Here is a heavy-metal cover of the Ukrainian national anthem played by Ukrainian Kenny Powers. The drummer gets really into it, as does the small audience. Encouraging everyone to watch is the purest way of voicing my approval for the sentiment. On the second night in Mariupol we go drinking with two members of Azov Battalion. One, a Swedish sniper named Mikael "Mike"...

The war in Ukraine is not over, although it's easy to think that it might be -- and the country's troops face daily attacks from Russian-backed separatists.

Ukrainian Armed Forces

Кому Вниз та Арсеній Білодуб - Повстанець