22 others injured in the incident on Sibi Road in Quetta.
Seven police personnel were martyred while twenty-two others injured, most of them police officials, were injured in a suicide bomb explosion on Sibi Road in Quetta on Wednesday.
Superintendent of Police (Security), Javed Iqbal Garshin told Radio Pakistan correspondent Aftab Sherazi that a suicide bomber hit his explosive-laden auto-rickshaw with a police truck.
In another incident, some unknown persons shot dead a Police Inspector on Qambrani Road in Quetta on Wednesday.
Police told Radio Pakistan Quetta correspondent Aftab Sherazi that the police inspector was attacked on his way to office.