MANILA (AFP) - Jailed Al-Qaeda-linked militants remain holed up in a maximum-security Philippines prison after overpowering guards in a bloody escape attempt that has left up to six people dead in a shootout. Hundreds of snipers and police special forces units have surrounded a group of armed militants on an upstairs floor of the Camp Bagong Diwa jail and are awaiting orders to storm the building, police said. The militants overpowered the guards and seized three of their guns during a routine early morning headcount of the 435 inmates, who include 129 members of the Al-Qaeda-linked Muslim Abu Sayyaf gang...