can pretend to be British citizens. Then other people can pretend to be Jews making Aliyah. If this report is true and I doubt that it is. It is more than likely a message for the people who have infiltrated Israel to do their worse. You don't announce what you are going to do before you do it if you are a competent terrorist.
Iran ready to work together with Saudi Arabia for Mideast stability, says FM (Reuters)
from the article: 'Al-Qaida terrorists may pose as Ethiopians to sneak into Israel'