Two Palestinians armed with a meat cleaver and a gun carried out the attack at the synagogue before being shot dead by police.Gazan revelers in Rafah handed out sweets and brandished axes and posters of the said perpetrators in praise of the deadly attack. Palestinian radio reports described the attackers as "martyrs" and Hamas praised the attack. Loudspeakers at mosques in Gaza called out congratulations. However, there was no direct claim of responsibility.Palestinian media named the attackers as Ghassan and Udai Abu Jamal, cousins from the Jerusalem district of Jabal Mukaber, and said they were members of a small militant group. Clashes broke out in Jabal Mukaber as Israeli security forces moved into the area to make arrests."Hamas calls for the continuation of revenge operations and stresses that the Israeli occupation bears responsibility for tension in Jerusalem," Hamas spokesman Sami Abu Zuhri said.