A Russian destroyer had to open warning fire as a Turkish fishing vessel sailed on a collision course towards them and didn't respond to calls from the warship, the Russian Defense Ministry reported. Following the incident, the Russian Defense Ministry warned the Turkish military attaché about "the possible harmful consequences of the reckless actions by Ankara against the Russian military contingent, involved in tackling international terrorism in Syria." "Deep concerns were voiced over another provocative action by the Turkish side against the Russian patrol ship Smetlivy in the Aegean Sea, which forced them to open warning fire...in order to avoid...