Ukrainian coastguard motor boat explodes at sea near Mariupol on Sunday
While leaving the berth of the Mariupol Maritime Border Guard detachment at the Sea of Azov, a UMC-1000 motor boat exploded at 1420 Kyiv time on Sunday, according to the State Border Service of Ukraine.
The cause of the blast has not yet been determined, as well as the exact number of the wounded.
"There were seven crewmen aboard the vessel. It is known at the moment that two State Border Service servicemen have been wounded in the blast. Information about the health of the remaining men is being verified," the State Border Service wrote on its website.
The vessel has been considerably damaged, it added.
Emergency rescue teams and investigators are currently on the scene at sea near the Ukrainian-controlled city of Mariupol.