MANILA - Two people were killed and four others injured, including a policeman, in twin blasts that rocked Quiapo District in Manila on Saturday, police said.

The first explosion went off around 5:50 pm local time in Norzagaray Street in Quiapo District, while the second blast occurred around 8:30 pm local time near the same site, police said.

Police have yet to determine the type of explosives used in the twin bomb attacks.

No group has claimed responsibility for the blasts.

Last Friday, 14 people were injured in a blast in the same district as the Philippines was hosting the Association of Southeast Asian Nations summit in Manila.