World Bulletin / News Desk 

An explosive device went off near a United Nations headquarters in the eastern part of Gaza City late on Saturday, eyewitnesses have said.

They added, however, that the blast did not cause any human casualties.

The eyewitnesses said the device went off near a headquarters of UNRWA in western Gaza City, noting that some unknown people stood behind the explosion.

A bomb went off near the cabinet building in western Gaza City late on Friday.

This explosion did not leave human casualties behind either.