Karachi, Pakistan (CNN) — Four children were killed when someone lobbed a palm grenade into a mosque in Pakistan;s many populous city on Monday.
The children, all between a ages of 8 and 12, were attending eremite classes during a mosque in a seaport city of Karachi, military said.
Sixteen others were harmed in a attack.
No organisation immediately claimed shortcoming for a attack.
On Friday, 4 people were killed and 30 others harmed when a explosve went off nearby a provincial supervision motorcade in Karachi.