Cotabato City, Philippines  - Three Muslim separatist rebels were killed while two soldiers were hurt in a clash in the southern Philippines, a military spokesman said Tuesday.

The firefight occurred on Sunday in the village of Malingaw in Shariff Aguak town, Maguindanao province, 960 kilometres south of Manila, according to Major Randolph Cabangbang.

Cabangbang said soldiers were on patrol in the village when they encountered a group of Moro Islamic Liberation Front (MILF) rebels, triggering the clash.

Manila - The Philippine government on Monday called for stepped-up security in dangerous waters off Somalia, where 90 Filipino seafarers were being held captive by pirates in separate hijacking incidents.

The call came after pirates seized a freighter, with 23 crew members, including 18 Filipinos.

Presidential deputy spokesman Lorelei Fajardo said the government was exhausting all means to free the 90 Filipinos still in captivity off Somalia.

The Philippine government "has been continuously calling for increased security in these dangerous waters, areas which have been declared risk zones," she said.

"The Philippine government will do all it can to secure the release of our seamen," she added.

Manila - A Filipino broadcast journalist was killed Monday in the southern Philippines in the sixth deadly attack against the media in the country this year, police said.

Aresio Padrigao, a commentator for local radio station DXRS, was shot to death by gunmen aboard a motorcycle in Gingoog town in Misamis Oriental province, 795 kilometres south of Manila.

Padrigao, a known critic of local government officials in Misamis Oriental, had just brought his child to school when the assailants attacked him.

General Santos City, Philippines  - Two soldiers were killed when a landmine struck a convoy of army vehicles in the southern Philippines, the military said Sunday.

The convoy was returning to camp from a civic mission when the incident occurred Saturday in Maasim town in Sarangani province, 1,125 kilometres south of Manila.

Colonel Edgar De Leon, an army battalion commander, said the explosive was placed on top of a concrete culvert and detonated as the convoy passed.

Zamboanga City, Philippines - Islamic militants freed a kidnapped humanitarian worker after holding her hostage for two months in the southern Philippines, police said Saturday.

Millet Mendoza was among five workers of non-governmental organizations abducted September 15 by Muslim Abu Sayyaf rebels in Basilan province, 900 kilometres south of Manila.

The other hostages, including the programme coordinator of an NGO serving poor communities in Basilan, were freed separately ahead of Mendoza.

Manila - Senior bishops of the influential Philippine Roman Catholic Church on Friday warned that a proposed law that aims to curb the country's runaway population growth would be a threat to life and family.

The Catholic Bishops Conference of the Philippines (CBCP) urged legislators not to pass the Reproductive Health bill without fixing "fatal flaws" that make it unacceptable.