Security increases as Western countries speculate bomb downed the airliner.
The airline says authorities are not allowing British aircraft to land at the airport.
Britain, Germany and France are among nations that have already suspended flights to the country.
The group pledged allegiance to ISIS in 2014 and claimed responsibility for the Russian plane crash.
Director of airport is replaced as Cameron says bomb "more likely than not."
Having examined the whole picture, Philip Hammond says, the militant group's claims of responsibility might be credible.
Agencies are reporting a drop of up to 50 percent in ticket sales for overseas flights
Human rights groups accuse the president presiding over a dictatorship that tortures and kills critics.
A source in the committee analyzing the flight recorders added that the pilot did not make a distress call.
A militant group affiliated with Islamic State in Egypt claims responsibility.
The low turnout highlighted growing disillusionment since the army seized power in 2013.
The Al Jazeera journalists are accused of spreading false reports and supporting the Muslim Brotherhood.
President Abdel-Fattah el-Sissi allegedly pardoned the two TV journalists on the eve of the major Muslim holiday of Eid al-Adha.
Two Egyptian soldiers also were killed in clashes with Islamists in restive region.
Twelve people were killed by mistake as they traveled in a restricted zone of Egypt's Western Desert.
Rights advocates say their arrest was part of a crackdown on free speech.
Once the leading nonviolent Islamist movement in the Middle East, the Muslim Brotherhood is being overshadowed by more radical groups.
During the first Republican presidential primary debate on Thursday night, U.S. Senator Ted Cruz suggested President Barack Obama should take a cue from President Abdelfattah al-Sisi of Egypt when it comes to dealing with religious extremists.
Advocacy and rights groups have criticized Britain's increased arms trade with Egypt over human rights concerns.
The Egyptian actor, also known for 'Doctor Zhivago,' suffered a heart attack in Cairo.
Did the Germans create Egypt's new "Frankenstein"?
Israeli police reported no causalities.