US troops killed near Bagram, Taliban insurgency intensifies 

KABUL, Afghanistan (AP) — A suicide attacker rammed an explosives-laden motorcycle into a joint NATO-Afghan patrol Monday, killing six American troops in the deadliest attack on international forces since August. Two U.S. troops and an Afghan were wounded.

The attack happened as Taliban fighters overran a strategic district in southern Helmand province, the scene of some of the deadliest fighting...