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 wing of Hamas, fired live ammunition and RPG shells at Kalab’s house.
The source added that members of Al Qassam brigade planted explosives around the house detonated them and set fire to the house which destroyed all   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 which erupted between his companions and members of Hamas movement.