The attack took place on Wednesday morning near a lawmaker's residence.
According to local officials, two suicide bombers attempted to storm the residence of lawmaker Haji Zahir Qadir.
While one attacker was identified and shot dead by police, the other detonated his explosives and killed himself.
The other two killed in the attack were Qadir's security guards.
No other casualties have been reported as of yet, while police added that they have cordoned the area.
No group has claimed the attack.
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