Dramatic footage from China of a a residential building in which a gas explosion injured four people.<br /><br />The video, captured in Puyang, Henan Province on Thursday, shows one of the apartment on fire before firefighters extinguished the blaze.<br /><br />According to local news, the house owner allegedly forgot to turn off the gas causing the explosion.<br /><br />Four people were injured and sent to hospital.<br /><br />The case is under investigation.
