File photo of an Egyptian border policeman standing guard not far from an Israeli watch tower at the Karm Abu Salem border gate (Kerem Shalom in Hebrew) on the border between Egypt from Israel and the... more 

File photo of an Egyptian border policeman standing guard not far from an Israeli watch tower at the Karm Abu Salem border gate (Kerem Shalom in Hebrew) on the border between Egypt from Israel and the Gaza Strip. Egypt's President Mohamed Morsi has vowed to retake control of the Sinai Peninsula after gunmen killed 16 guards near the border with Israel before crossing into the Jewish state less