An explosion has occurred at an oil depot near an oil refinery in Kremechnuk (Poltava region).

According to the city directorate of the State Emergency Service of Ukraine, the explosion took place in a reservoir filled with leftover residual oil.

"There are no victims. The reasons for what happened are being established," the emergency service reported.

Chairman of Ukrnafta Trade Union Vasyl Khomenko told journalists that there had been no accidents at the refinery and that the work was proceeding as normal.