 Israeli troops, tanks were seen gathered along the border area with Gaza on Monday Israel pounded the Palestinian enclave of Gaza on Sunday, killing hundreds of people in retaliation for one of the bloodiest attacks in its history when Islamist group Hamas killed 700 Israelis and abducted dozens more. Hamas fighters rampage through Israeli towns on Saturday was the deadliest such incursion since Egypt and Syria's attacks in the Yom Kippur War 50 years ago and is threatened to ignite another. In the long-running conflict.in response, Israeli airstrikes hit housing blocks, tunnels, Amosken homes of Hamas officials in Gaza, killing more than 400 people, including 20 children, in keeping with Prime Minister Benjamin Netanyahu's vow of mighty vengeance.