Rebuilding the besieged Philippine city of Marawi could cost about 56 billion pesos ($1.1 billion), according to Defense Secretary Delfin Lorenzana.Months of fighting between Philippine troops and Islamic State-led militants have left the once vibrant city on the southern island of Mindanao a virtual ghost town, displacing more than 230,000 people.“There’s a need to rebuild the infrastructure, provide social assistance to those traumatized by the war, restock armed forces ammunition and reple