A drone-borne explosive device detonated at the headquarters of Russia's Black Sea fleet on Sunday.

Six peoples were injured in the explosion, officials said

The press service of the Black Sea Fleet said that the drone looks like homemade

It described the explosive device as “low-power”, but still six people were injured in the blast

There was no immediate information on where the drone's flight began

The explosion at the headquarters in the city of Sevastopol, which is about 170 kilometers (100 miles) south of the Ukrainian mainland

Russian forces control most of the territory along the Black Sea

Three people were killed in an attack last day in the Donetsk region, which is partially controlled by Russian separatist forces.

Fighting continued elsewhere in Ukraine

53 Ukrainian prisoners of war died on Friday, the blast came from within the building in Olenivka, which is under Russian control

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