A blast ripped through an explosives factory in northwest Turkey on Tuesday, killing 12 people and injuring four, Interior Minister Ali Yerlikaya said, adding that an investigation had been launched.

The blast blew out the bus' windows and damaged the front and side of the vehicle, part of which was peeled back. The hospital is in the Fatih District of Istanbul, Turkey's largest city.

Nine people, including two children, were killed in southern Turkey when a blast in a factory sent the building collapsing into the street, the Anatolian news agency said Sunday. It said ...