(Xinhua) -- Twelve suspected rebels were detained on Wednesday following a roadside bombing in the southern Kandahar province of Afghanistan, the NATO-led International Security Assistance Force (ISAF) said in a statement. The suspects were arrested by ISAF in Pashmush area in the morning after a roadside bombing, it said, adding the explosion caused no casualties. A second roadside bomb exploded nearby, also not bringing casualties. "The men detained were seen to be acting suspiciously while observing recovery following the first explosion," the statement said. They were taken to an ISAF facility where they tested positive for traces of bomb residue, it added.