The injured, a police constable and two passers-by, were transported to the area hospital for treatment.
The attackers managed to flee after the attack and security forces cordoned off the area, initiating a search operation.
Grenade attack kills two, injures 34 in North Waziristan
Earlier today, at least four people were killed and 32 others were injured when a hand grenade was hurled at a wedding ceremony in Dandai Saidgai village in North Waziristan, a senior political administration official told The Express Tribune.
The marriage ceremony came under attack when unidentified militants threw a hand grenade into the house of Shandi Gul in Dandai.
Officials relayed that the injured included at least seven children and many wounded were critical.
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