Mogherini:escalation of incident with Russian Su-24 in Syria is unacceptable

The head of European diplomacy Federica Mogherini has spoken about the inadmissibility of the escalation of events in connection with today's incident with the Russian Su-24 in Syria.

"This morning I held a conversation with the NATO Secretary General. It is necessary to avoid an escalation," RIA Novosti cites her post on Twitter.