Iligan, Philippines: Two homemade bombs exploded almost simultaneously yesterday in two budget hotels in a southern Philippine city, wounding at least four people in the latest in a series of bomb attacks in the volatile south, officials said.

The first bomb exploded in a guest room in the Iligan Travellers Inn near a shopping mall in southern Iligan city, injuring at least three people. A second bomb went off within minutes in a room in the Caprice Lodging House, injuring one, according to army and police officials.

Bomb experts checked all hotels and lodging houses in Iligan to make sure they were safe, army Brigadier General Hilario Atendido said.

No one has claimed responsibility for the blasts, the latest to hit the country's south in recent days amid renewed hostilities between government troops and the Moro Islamic Liberation Front.