Two improvised bombs exploded Friday in a southern Philippine city, but no injuries were reported, dpa quoted a police report as saying. The two explosions occurred before dawn in downtown Zamboanga City, 870 kilometers south of Manila, according to city police chief Edwin de Ocampo. Senior Superintendent De Ocampo said the first blast occurred in a street near the city's business centre while the second bomb went off at a public plaza near the city hall. Security forces in the city have been placed on full alert to prevent another attack.
