Seven grenade bomb explosions were heard in the southern refugee camp of Ain el-Hilweh late on Sunday and early on Monday without any casualties being reported, the National News Agency reported.
One grenade exploded at 10:30 pm on Sunday inside the said camp at the junction of the vegetable market in Hay al-Tiri. It was followed by another bomb after almost one hour, NNA said.
The third bomb was tossed at 12:30 am. Four other grenades followed until 4:00 am.
No casualties were reported, it added.