Fierce fighting has taken place between Ukrainian government forces and pro-Russian rebels in eastern Ukraine, officials on both sides say.
The clashes - said to involve heavy artillery and tanks - took place in Maryinka and Krasnohorivka, outside the rebel-held city of Donetsk.
There were reports of multiple injuries in the towns held by Ukraine"s army.
Two civilians were also killed on Wednesday when their car was hit by missile in the Luhansk region.
Due to the new escalation of the situation in the east of Ukraine, the Russian foreign minister made the comments. Sergei Lavrov said that the clashes hinder the negotiation process.