A police chief says the bomb might have been planted under a seat . The blast occurred at about 12:30 p.m. in front of an elementary school on the outskirts of the city and injured several people who were trying to get out of their vehicles. `` We are still trying to determine what kind of bomb was used , '' Bonifacio said . The explosion blows a hole through the side of the bus . Makati City is Manila 's financial district .
A police chief says the bomb might have been planted under a seat . The blast occurred at about 12:30 p.m. in front of an elementary school on the outskirts of the city and injured several people who were trying to get out of their vehicles. The explosion blows a hole through the side of the bus . Makati City is Manila 's financial district .