Four police officers have been killed in an attack in southwestern Pakistan.
Police said gunmen opened fire on the four as they were riding motorcycles down a road on January 28 in Quetta, the capital of Balochistan Province.
Two died on the spot, while the other officers succumbed later in hospital.
The attackers escaped and a search is under way to find them.
Pakistan's Taliban, the Tehrik-e Taliban Pakistan, claimed responsibility for the attack in an e-mail sent to RFE/RL.
Balochistan is the scene of a low-intensity insurgency by nationalist and separatist Baluch groups, who want a share of revenue from gas and mineral resources and complete autonomy from Islamabad.
It's also home to Taliban insurgents, drug smugglers, kidnapping rings, sectarian militants, and government-backed paramilitary death squads.
