Greece's Defense Council was on Tuesday meeting under Defense Minister Nikos Panagiotopoulos amid an escalation of tensions with Turkey, state-run Athens-Macedonia news agency said, quoting ministry sources.
The meeting was attended by deputy National Defense Minister Alkiviadis Stefanis and the country's top military brass.
Greece's Coast Guard said on Tuesday it had fired warning shots against a vessel which it said was carrying migrants from Turkey to Greece.
The incident took place at about 3.40 a.m. on Tuesday, when a private boat with an unspecified number of passengers attempted to sail towards the island of Rhodes.
Greece opened fire at a boat carrying civilians off the island of Rhodes in the Aegean Sea, said the Turkish Coast Guard Command on Aug. 11.
In a statement, the command said two Turkish and one Syrian nationals were injured and the boat sank due to the attack.
It said the attack took place 0040GMT in the Greek waters, 7.2 nautical miles from Turkey's Mugla province.