The house of Humayun Yousafzai, a diplomat with the Afghan consulate, was attacked by two armed motorcyclists in posh University Town of Peshawar district in Khyber Pakthunkhwa.
Initial investigation found a sub-machine gun was used to fire at the house and 29 bullet casings have been recovered from the site of the attack, he said.
No one has claimed responsibility for the attack.
Meanwhile in a separate incident, at least four dead bodies were recovered from a house in Peshawar today.
According to police, the dead bodies with severed heads were recovered from a house in Paharipura area of Peshawar.