The militants raided checkpoints manned by Somali forces shortly before dawn, Da’ud Qaylow, a resident of Awdhegle, said by phone. Ali Sharif, an officer with the Somali army, said the rebel forces attacked their positions in Awdhegle when most soldiers were asleep.An unidentified al-Shabaab commander told Radio Andalus, a Somali broadcaster that supports the militants, that they killed at least 10 government troops.The al-Qaeda-linked group has been in retreat in the Horn of Africa nation since its fighters were forced to withdraw from the capital, Mogadishu, in August 2011 after a series of military defeats.Al-Shabaab still controls swathes of territory and stages deadly gun and bomb attacks.