*TWO U.S. SERVICE MEMBERS KILLED, TWO INJURED IN AFGHANISTAN ROADSIDE BLAST - NATO

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Reuters has confirmed that a roadside bomb has hit a convoy of US troops on Saturday operating in Afghanistan's southern province of Kandahar. 

NATO spokesman and an Afghan government official said an assessment of the incident is underway, and there are no details on casualties. 

A senior Afghan military official said the Taliban have so far declared responsibility for the attack.

The attack took place in the Dand District, situated in the center of Kandahar, when a device of some sort hit armored vehicles carrying US troops.