NATO says four U.S. service personnel have been killed in a roadside bombing in Afghanistan's volatile south.
NATO spokesman Col. Thomas Collins said a powerful explosion ripped through a NATO convoy Tuesday in southern Kandahar province, the heartland of the insurgent Taliban.
It has been a bloody couple of days for international forces in Afghanistan, with three Georgian soldiers killed Monday when a powerful truck bomb exploded at the gate of their outpost in neighboring Helmand province.
Also Monday, in northern Kapisa province, a suicide bomber hit a U.S. Special Operation Forces convoy. There were no casualties.
At least three people reported dead and children wounded as motorcycle bomb blast rips through weekly market in Helmand.
Attacks by Taliban members have increased in recent months as the fighting season moves into high gear.