Blast at Turkey rocket and explosives factory kills 5

International desk:An explosion at a rocket and explosives factory in Turkey has killed at least five workers.The eplosion occurred about 8.45am local time on Saturday at the compound of the state-owned Mechanical and Chemical Industry Corporation, in the outskirts of the capital, Ankara.An investigation was launched into the cause of the explosion, Turkey's defence ministry said.Several ambulances and fire trucks were dispatched to area.