ISIS attacks Egypt, threatening to destroy pyramids and sphinx
ISIS: Destroying Egypt’s Sphinx, Pyramids Is ‘Religious Duty'
I remember a few years ago, the Muslim Brotherhood threatened to do the same thing. That would very nearly destroy Egypt's Economy. And al Sisi knows it:
Egypt beefs up security at holiday resorts after ISIS murders 50 soldiers and 'takes land' just 250 miles from tourist hot-spots
And talk about going from bad to worse:
Islamic State threatens to topple Hamas in Gaza Strip in video statement
Isis in the Gaza Strip: Jihadists threaten to topple Islamist Hamas rule