DONETSK, May 30. /TASS/. The Ukrainian army fired two missiles armed with cluster warheads with a multiple launcher Smerch and used 155-millimeter artillery against Donetsk, the DPR mission at the Joint Center for Control and Coordination of ceasefire said on Monday.

"According JCCC military experts working at the attacked sites in Donetsk the enemy used 155-millimeter artillery and two cluster missiles, fired with a multiple launcher BM-30 Smerch," the mission said on its Telegram channel.

In the city’s Voroshilov district the 6th building of the Donetsk National Technical University, school N. 22, humanitarian gymnasium N. 5 and two apartment buildings were damaged.

US-made 155-millimer howitzers M777 are the Ukrainian army’s standard weapon.

Earlier, the Territorial Defense Headquarters said that the death toll from the shellings of Donetsk schools by the Ukrainian miliary was up to five. One of those killed was a minor born in 2009. Sixteen others were injured.