Lavrov made the comments following a meeting with US Secretary of State John Kerry on Tuesday, Russia’s TASS news agency reported.
“The Ukrainian authorities are obviously not doing enough. We would not like to suspect someone, but there is an impression that they have something to hide,” Lavrov stated.
“All crimes committed during the Ukrainian crisis, including the tragedies in Odessa, Mariupol, the crash of the Malaysian Boeing, mass graves, should be investigated,” the Russian foreign minister said .... http://www.presstv.ir