[Inquirer] Thirteen Abu Sayyaf militants and two soldiers were killed in a gun battle in Al Barka, Basilan, at 5 p.m., Tuesday, while 10 other soldiers were injured. Tuesday’s clash was the third day of fighting between the insurgent group and Philippine troops.Major Filemon Tan said, "It has been ongoing for three day. It was on Tuesday that the major skirmishes happened. It was an encounter with the Abu Sayyaf. It is a focused military operation. Prior to this, there was an intelligence operation that led to the identification of the Abu Sayyaf lair."