TURBAT, Pakistan — Three local political leaders were seized from a small legal office here in April, handcuffed, blindfolded and hustled into a waiting pickup truck in front of their lawyer and neighboring shopkeepers. Their bodies, riddled with bullets and badly decomposed in the scorching heat, were found in a date palm grove five days later.

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Carlotta Gall/The New York Times

Yousuf Muhammad, right, said he was detained in February, a few months before his brother was abducted and fatally shot.

The New York Times

People in Turbat say nationalist sympathizers are detained.

Local residents are convinced that the killings were the work of the Pakistani intelligence agencies, and the deaths have provided a new spark for revolt across Baluchistan, a vast and restless province in Pakistan’s southwest where the government faces yet another insurgency.

Although not on the same scale as the Taliban insurgency in the northwest, the conflict in Baluchistan is steadily gaining ground. Politicians and analysts warn that it presents a distracting second front for the authorities, drawing off resources, like helicopters, that the United States provided Pakistan to fight the Taliban and Al Qaeda.

Baluch nationalists and some Pakistani politicians say the Baluch conflict holds the potential to break the country apart — Baluchistan makes up a third of Pakistan’s territory — unless the government urgently deals with years of pent up grievances and stays the hand of the military and security services.

Hundreds, possibly thousands, of Baluch were rounded up in a harsh regime of secret detentions and torture under President Pervez Musharraf, who left office last year. Human rights groups and Baluch activists say those abuses have continued under President Asif Ali Zardari, despite promises to heal tensions.

“It’s pretty volatile,” said Nawab Zulfiqar Ali Magsi, the governor of Baluchistan. “When you try to forcibly pacify people, you will get a reaction.”

The discovery of the men’s bodies on April 8 set off days of rioting and weeks of strikes, demonstrations and civil resistance. In schools and colleges, students pulled down the Pakistani flag and put up the pale blue, red and green Baluch nationalist flag.

Schoolchildren still refuse to sing the national anthem at assemblies, instead breaking into a nationalist Baluch song championing the armed struggle for independence, teachers and parents said.

For the first time, women, traditionally secluded in Baluch society, have joined street protests against the continuing detentions of nationalist figures. Graffiti daubed on walls around this town call for independence and guerrilla war, which persists in large parts of the province.

The nationalist opposition stems from what it sees as the forcible annexation of Baluchistan by Pakistan 62 years ago at Pakistan’s creation. But much of the popular resentment stems from years of economic and political marginalization, something President Zardari promised to remedy but has done little to actually address.

In interviews, people in and around Turbat said the Pakistani military and intelligence agencies were still doggedly pursuing nationalist sympathizers.

A case in point, they say, is that of the three political figures who were killed: Gul Muhammad, Lala Munir and Sher Muhammad, all prominent in the nationalist movement.

Government officials say the men were being prosecuted for activities against the state but deny any involvement in their deaths. People are not convinced and say that while the men supported independence, they were not involved in the armed struggle.

Mir Kachkol Ali, the men’s lawyer, who witnessed their abduction, said the killings represented a deepening of the campaign by the Pakistani military to crush the Baluch nationalist movement. “Their tactics are not only to torture and detain, but to eliminate,” he said.

The insurgents, who say they are led by the Baluchistan Liberation Army, have escalated their tactics, too. A prominent example was the kidnapping in February of an American citizen, John Solecki, the head of the United Nations refugee organization in the provincial capital, Quetta.