islamic group that has joined the demonstrators. cairo airport is still open but in chaos. we saw a group of brazilian women who had come to organize a wedding but are now trapped and frightened. >> we are in the hotel since friday morning, and we didn't get out. so now we are trying to go back home. >> reporter: the u.s. embassy in egypt is authorizing departure of dependents and nonemergency personnel. >> they have got to provide the planes so we can leave because i don't think any planes are present to take the people out. >> reporter: egyptian political parties claim what's happening now, a dangerous chaos following antigovernment demonstrations, is a deliberate attempt to prove that the repressive police state egyptians oppose is necessary. the parties claim the government pulled back police and allowed prisoners to escape to show egyptians an ugly alternative to mubarak's continued rule.