cairo. arwa? reporter: beyond this wall is one of the roads that leads to the u.s. embassy in cairo. normally, it would be open here on a sunday. it is is a working day here but it is going to be closed. americans are not take anything chances. this embassy has been attacked by angry mobs. on september 11th of last year, when people were incensed over the release of a film that insulted prophet muhammad. that s the day they saw a coordinated strike on the consulate that left an ambassador and three others dead. the americans do not want to take a chance that could be repeated. arwa, thank you for that. let s head to israel where the u.s. embassy son alert there. it is not shutting down throw, vladimir deutsche is in tel aviv. reporter: it doesn t affect the tel aviv united states which is right behind me.