Reports coming in from Jos say another RPG attack was launched at a three-storey residential building near the police station at bukuru market.
Eye witnesses say the only casualty was a passer-by who sustained some injuries after he was hit by the grenade.
The scene of the latest attack, sources say, is about 500 meters away from the earlier one.
Security operatives have reportedly cordoned off the area.
Earlier, a seven year old boy was killed in the morning attack on a primary school in Jos.
According to the spokesperson of the Special task force, STF, Salisu Mustapha, the boy was hit after some gunmen opened fire on Nurul Islam
School in the Kerana area Bukuru in Jos.
Narrating the details of the incident, he said some men, driving in an Opel car, fired a Rocket Propelled Grenade, RPG, at the school.
“They came on a vehicle and fired an RPG,” Mr. Mustapha said. “Their target was the school building; fortunately they could not hit the target properly and the kid that was killed was outside the school building,we have fragments of the explosive device used.”
The STF spokesperson also said witnesses have provided them with the description of the vehicle and that a patrol team had already gone in search
of the attackers.