EGYPT said it was directing international aid flights for Gaza to an airport in northern Sinai, though delivery of relief into the Palestinian enclave has so far been hampered by Israeli bombardments around the border. The Rafah crossing between Sinai and Gaza remained open, the Egyptian foreign ministry said, adding that Egypt had asked Israel to avoid targeting the Palestinian side of the crossing after strikes that prevented normal operations there. Israel's massive bombardment and imposition of a total siege on the Gaza Strip - after a devastating Hamas attack on Israel - has caused alarm in Egypt, which shares a border…