A group of gunmen set fire in the house of Rfa’et  Kalab, head of preventive security force in Khanyounis city south of  the Gaza Strip.
An official source in the preventive security force affirmed that a group of gunmen of Al Qassam brigade, the armed winng of Hamas, fired live ammunitions and RPG shells at Kalab’s house.
The source added that members of Al Qassam brigade planted explosives around te house detonated them afterwards and set fire in the house before the arrival of the security and civil defense forces that attempted to extinguish the fire that destroyed all  of the contents of the house.
 One of Al Qassam members was killed and Kalab sustained an injury in his thigh on Wednesday morning in clashes erupted between his companions and members of Hamas movement.