Doha: At least 12 people were killed and 30 injured when an explosion occurred at a restaurant located adjacent to a petrol station in Qatar's capital city of Doha Thursday morning, officials said.

Firefighters spray the site of a blast in Doha with water as Qatari state television said "gas cylinder" explosion in the Gulf emirate's capital Doha killed and wounded several people on February 27, 2014. Pic: AFP