The bomb had been mounted on a motorcycle and was set off with a remote control, local police chief Sajjad Afzal said.
No one has initially claimed responsibility for the crime.
Abdul Qudoos Bizenjo, Chief Minister of Baluchistan province condemns the incident, which he describes as a terrorist attack.
— Terrorists are trying to create insecurity through such attacks to achieve their nefarious goals, but we will not allow these anti-state elements to succeed, he says without specifically placing the blame on anyone.