Lahore: At least 13 people, including six children, were charred to death on Wednesday in an explosion caused by collision between a gas tanker and a speeding car near Nankana Sahib in Pakistan's largest province of Punjab.

The incident occurred in Manawala area of Sheikhupura when the car of an assistant sub-inspector and a constable collided with a liquefied petroleum gas tanker and caught fire.