The tragic events are taking place in Ukraine, there are conflicts between other CIS countries, which requires the development of measures to resolve them, said Russian President Vladimir Putin, RIA Novosti reported.

"In our circle, of course, we will also touch on issues related to security problems in the Commonwealth. In fact, besides Ukraine, where really tragic events take place, conflicts sometimes arise between other close states of the post-Soviet space, and this, of course, requires the development of measures to resolve them," Putin said at the informal summit of the CIS leaders.