41 killed in blast at security checkpoint in northwestern Pakistan . Explosion occurs in the Shangla district in the volatile Swat Valley . South Waziristan is one of seven districts in Pakistan 's tribal region along the Afghan border . Intercepted phone call tipped officials to Saturday 's attack , general says . - July 10 -- A suicide bomber kills seven people and wounds more than 20 others when he blows himself up outside a police station in Pakistan's southwestern city of Quetta.
41 killed in blast at security checkpoint in northwestern Pakistan . Explosion occurs in the Shangla district in the volatile Swat Valley . Intercepted phone call tipped officials to Saturday 's attack , general says . - July 10 -- A suicide bomber kills seven people and wounds more than 20 others when he blows himself up outside a police station in Pakistan's southwestern city of Quetta.