Russian ship "Port Olya 4" loaded with drone parts and ammunition from Iran could have been hit, Ukraine's military said.

Days before the leaders of Russia and the U.S. hold a summit meeting in Alaska, Moscow’s forces breached Ukrainian lines in a series of infiltrations this week in the country’s industrial heartland of Donetsk.

In President Donald Trump’s warm red-carpet greeting at the Alaska summit, Russians saw an opening to pull America away from its traditional allies in Europe.