Yemen : 10 Yemeni militants came to Sinai two months before Rafah attack . The militants were smuggled into Sinai from Sudan among thousands of African migrants . The intelligence officers were aware of their presence , '' Menei told CNN . ` ` We want to capture them in our raids , '' Egypt says . Egyptian and U.S. are concerned about the rise of terrorist cells in the Sinai peninsula .
Yemen : 10 Yemeni militants came to Sinai two months before Rafah attack . The militants were smuggled into Sinai from Sudan among thousands of African migrants . ` ` We want to capture them in our raids , '' Egypt says . Egyptian and U.S. are concerned about the rise of terrorist cells in the Sinai peninsula .