QUETTA: Pakistani security forces have nabbed 170 suspects in their operations across the city, BBC News reported.
These operations were carried out as part of the government's response to the growing demands of dealing with terrorists who masterminded Saturday's deadly bombing that killed 89 people.
Earlier, AFP reported that security forces on Tuesday killed four men and arrested seven others accused of killing Shia Muslims, including a purported mastermind of a devastating bomb attack that killed 89 people, officials said.
The operation was carried out on the outskirts of Quetta, where thousands of Shias are demanding army protection and refusing to bury the victims of Saturday's bomb attack on their ethnic Hazara community.
Balochistan home secretary Akbar Hussain Durrani, and Colonel Maqbool Ahmed from the paramilitary Frontier Corps said the killings and arrests took place during what they called an "ongoing operation".
"Those who were killed were high-profile targeted killers. They were involved in the killing of a Shia judge and senior police officers," Durrani told AFP.
One of the masterminds of Saturday's bombing in the Quetta suburb of Hazara Town, was amongst those in custody, Durrani added.
Intelligence and paramilitary officers also confiscated bomb-making material, weapons, suicide vests and ammunition during the operation, officials said.
The arrests came just hours before Pakistani cabinet ministers were due to arrive in Quetta in an attempt to negotiate an end to the Shia protest.
Thousands of women, men and children have blocked a road in Quetta, refusing to end their sit-in and bury their dead until the authorities take action against the extremists behind Saturday's attack.
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