 A video released by Sinai for human rights on October 10 has shown trucks purportedly carrying aid from Egypt moving back to the Egyptian side of the border due to their inability to cross to the other side because of the Israeli airstrike, Egypt is moving to prevent a mass exodus from the Gaza Strip into its Sinai Peninsula. As Israeli bombardments halted crossings at the only exit point from the Palestinian enclave on Tuesday, Gaza officials and Egyptian security sources said.Israel's assault on Gaza has caused alarm in Egypt, which has urged Israel to provide safe passage for civilians from the Palestinian enclave rather than encouraging them to flee southwest towards Sinai, two Egyptian security sources said.