Suicide bomber kills six people after early explosion attracts crowd . Attack happened in Pakistan 's volatile North West Frontier Province . Score: 6 Pakistan has been battling Taliban and al Qaeda Two explosions have struck a small cafe in volatile northwestern Pakistan , killing six people , including two police officers , local police and an official said . militants in the province .
Suicide bomber kills six people after early explosion attracts crowd . Attack happened in Pakistan 's volatile North West Frontier Province . Score: 6 Pakistan has been battling Taliban and al Qaeda militants in the province .