Cairo Airport full of Tourists struggling to Leave

The video discusses the imposition of a curfew that bans planned marches on Tuesday. It highlights the increased presence of military and police forces in Cairo, with roadblocks and checkpoints set up across main highways. The situation for foreigners trying to leave the country is described as challenging, particularly at Cairo airport.

What challenges are foreigners facing at Cairo airport?

What can be inferred about the overall security situation in Cairo?