KIEV, July 11 (Xinhua) -- Two people were killed and eight others wounded on Friday in a gas explosion at a hospital in western Ukraine, an official said.

    The blast took place in the afternoon in the Bolekhiv central hospital in Ivano-Frankivsk region, said Ihor Krol, spokesman for the Ukrainian Emergency Situations Ministry.

    The blast caused a collapse of the hospital's ceiling between the basement and the flat.

    According to the Interfax-Ukraine news agency, among the injured, three were medics.

    The cause of the accident is under investigation.