A fuel tanker explosion killed one and injured three in Istanbul on Monday, local authorities announced.

The Istanbul governor's office said in a statement that the tanker was parked at a recreational facility in the Atasehir district on the Asian side of the city when the explosion occurred.

The explosion happened while welders were working on the tanker, and a fire erupted afterward, the governor's office noted.

Health and fire brigades rushed to the scene after the explosion, and the exact cause of the explosion is still under investigation.