Brussels arrests of five men spurs American terror alert . Pair closely tied to a Italy -based TNT recruiting network , officials say . Belgian security services went on high alert after members of the group started to return from the tribal areas in late 2008 , concerned they might have been tasked to launch attacks in Europe . Italy charged them with being leaders of a logistical support team for al Qaeda .
Brussels arrests of five men spurs American terror alert . Pair closely tied to a Italy -based TNT recruiting network , officials say . Italy charged them with being leaders of a logistical support team for al Qaeda .