Two U.S. troops killed in southern Afghanistan

KABUL, Afghanistan (CNN) - A roadside bomb killed two U.S. service members in southern Afghanistan on Friday, NATO's International Security Assistance Force said Saturday.

The number of American troop deaths in Afghanistan this month stands at 33, according to a CNN count of military numbers.

A Danish soldier was shot and killed Friday during a patrol in Helmand province, located in the south, the Danish Defense Ministry reported Friday.