Masked gunmen seized three Hamas militants outside a mosque and shot them Wednesday — the latest round in an increasingly bloody power struggle in volatile Gaza. One of the men later died at a hospital. Hamas blamed President Mahmoud Abbas’ rival Fatah group for the incident near the southern Gaza town of Khan Younis. Hamas activists said the kidnappers served in the Preventive Security Service, a security branch that has been spearheading the confrontation against the Hamas militia. Full Story