QUETTA, Jul 30 (APP):At least four persons including two policemen were martyred and 32 people including police official and children were injured in a blast at Baldia Plaza near Meezan Chowk area of provincial capital on Tuesday evening.

According to Deputy Inspector General (DIG) Police Abdul Razzaq Cheema, unknown men had attached explosive devices with motorbike and parked it near Meezan Chowk which went off when a police vehicle was crossing the area.