Khalied Sanonah, 33, and Tamer Al Masheharwai, 26, were killed in an explosion in the Palestinian National security forces headquarters in Jabalia town north of the Gaza strip, Tuesday afternoon.

Another two men were injured and taken to a nearby hospital, there are still more officers under the rubble.
   
The building has totally collapsed, and some reports says this was due to a landmine that exploded in the building while some residents from the area say the building was hit by an Israeli shell due to the continued bombardment of the area since the morning.