At least two Filipinos were killed and one wounded in Pasig City, Metro Manila, when an improvised bomb in garbage they were collecting exploded on Friday, local radio reported.
The explosion occurred at Manggahan Village, a urban residential community, radio station dzBB quoted police as saying.
The victims have yet to be identified, but the radio report said they could be poor scavengers.
Typhoon Xangsane hit the Philippine capital Thursday, killing at least 18 people and leaving the city streets with a mess of debris, authorities said.
Police have been placed under full alert by the government since Wednesday to keep public order.