BACOLOD CITY, NEGROS OCCIDENTAL, Philippines — The Office of Civil Defense (OCD) on Sunday warned of a potential lahar hazard flow from Mt. Kanlaon that could endanger 644,487 residents across 13 cities and municipalities on Negros Island. The 13 areas are Bago City, La Carlota City, Pontevedra, Pulupandan, San Enrique, Valladolid, Binalbagan, Himamaylan City, Hinigaran,