Suicide bomber kills two people after early explosion attracts crowd . Attack happened in Pakistan 's volatile Pakistan . Four residents and two police officers were killed , and six others injured . The attack on Sunday came one week after a suicide car bomber -- apparently targeting people voting to fill a national assembly seat -- killed at least 37 people and wounded 16 others in the Bunair district of North West Frontier Province . Pakistan has been battling al Qaeda and Taliban militants in the province .
Suicide bomber kills two people after early explosion attracts crowd . Attack happened in Pakistan 's volatile Pakistan . Four residents and two police officers were killed , and six others injured . Pakistan has been battling al Qaeda and Taliban militants in the province .