MANILA -- Government troops have resumed assaults against communist rebels, killing at least one guerrilla, after President Rodrigo Duterte scrapped peace talks with the insurgents, military officials said Monday.

Duterte lifted on Friday the government's six-month-old ceasefire with the rebels and said Saturday he was discarding the talks brokered by Norway.

Those moves came after the Marxist guerrillas abandoned their own truce and killed six soldiers and kidnapped two others in new flare-ups in the 48-year insurgency.

The government and the rebels separately declared ceasefires last year to foster the peace talks, which progressed steadily for months before rapidly deteriorating in recent weeks.

On Monday, February 6, rebel adviser Luis Jalandoni accused the military of violating the government's ceasefire by deploying troops in 500 villages across the country, occupying village halls and schools, and continuing surveillance operations that he said inevitably led to clashes.

The guerrillas want to continue with talks set for February 22-25 in Europe to negotiate a possible joint ceasefire agreement, Jalandoni said, adding the government has not issued the formal notice required to terminate the talks.

"We're saying the peace talks are still possible in the absence of a ceasefire," Jalandoni told radio dzMM by telephone from Europe.

Troops have resumed combat operations after Duterte lifted the ceasefire, military spokesman Colonel Edgard Arevalo said.

The operations were in response to complaints from villagers of rebel extortion and efforts to rescue the kidnapped soldiers, he said.

Army troops clashed with about 20 New People's Army guerrillas Sunday in Occidental Mindoro province, killing one rebel, and on Saturday, troops and policemen arrested a rebel couple in Misamis Occidental in Mindanao for a multiple attempted murder case, the military said. At least three other combat operations were staged elsewhere.

Duterte called the insurgents terrorists for their attacks on troops and said several rebel leaders who were temporarily freed to join the peace talks should be returned to jail, threatening to have them arrested if they refused.

Jalandoni, however, said the 17 freed rebels are protected by a 1995 agreement under which the government agreed to grant them immunity from arrest while serving as peace talks consultants. All have returned to the Philippines after joining a recent round of talks in Rome and should not be arrested, he said.

Duterte has said he may reconsider his decision if there was a compelling reason, but he did not elaborate.

The setback in the talks is the latest reality check for Duterte, whose crackdown on illegal drugs, which has killed thousands of drug suspects since he took office in June, has been widely criticized. (AP)