The firing incident was reported at a house in sector E-7 of Islamabad during a jirga, said the police.
One of the children killed in the incident was the prayer leader's son while the other one was his student, said the police.
The relatives of the deceased youth, Osama Satti, conducted a press conference in Islamabad today where the victim's father denied the claims of the police forces.
Unidentified assailants opened fire on police officials deployed on a check post in the vicinity of Sabzi Mandi police station, leaving one martyred and two seriously injured in Islamabad.
ISLAMABAD: In an exchange of fire between two groups of armed men in Islamabad a man was killed and another injured, ARY News reported on Monday.