Hamas death squads have been carrying out public executions of enemies within Gaza as they attempt to wrestle back control after the ceasefire with Israel . In one shocking video, a row of gunmen can be seen aiming their firearms towards a line of eight blindfolded men, who have been forced to kneel on the ground in front of a jeering crowd. Moment later, they were shot dead. Hamas militants accused the men of collaborating with Israel. Dozens more people are thought to have been killed since