Seven servicemen were killed and nine were injured in Donbas after the an enemy's tank damaged a Ukrainian armored personal carrier, Advisor to the President and founder of Wings of Phoenix Foundation, Yuriy Biriukov, reported on Twitter on Monday.

"Seven killed, nine injured. A direct hit on an APC from a tank. The wounded persons have been evacuated. Separatists' tanks have been burnt out," he tweeted, adding that it happened on Monday.