British tourists in Sharm el-Sheikh are due to come home today after flights were suspended over terrorism fears following the suspected bombing of a Russian plane on Saturday that killed 224.
Airlines will resume services from the Egyptian resort amid tightened security, including a ban on carrying hold luggage. The UK government suspended air links on Wednesday in the aftermath of the tragedy which has been linked to the Islamic State (IS) and which left some 20,000 Brits stranded.
UK investigators looking at what caused the Metrojet Airbus A321 to crash en-route to St Petersburg believe a bomb was put in the hold before take-off, the BBC has reported.
The first of the 20,000 Britons stranded in Egypt may arrive back in the UK tomorrow
The Egyptian security shutdown was reportedly sparked by British spies intercepting messages after the crash which revealed IS was planning a major terror attack in the region, according to The Telegraph.
The newspaper said the communications and “chatter” - was what prompted Prime Minister David Cameron to say that it was "more likely than not" the Russian aircraft was brought down in a terrorist attack. The comment angered Russia with its Foreign Ministry spokeswoman Maria Zakharova saying if Britain did have information about a bomb on the plane, it's "shocking" that hasn't been shared with Russia.
The Government gave approval for flights to resume after a day of intense negotiations with Egyptian leaders and the airlines.
Downing Street said: "Our utmost priority is to make sure we have all the right measures in place to ensure that British citizens can return safely to the UK.
"The Prime Minister held talks on the situation with President (Abdel Fatah) Sisi and, following further discussions with the airlines and the Egyptians, we have agreed on a package of additional security measures that is being put in place rapidly.
Egyptian soldiers collect personal belongings of plane crash victims at the crash site
"The additional security measures will include permitting passengers to carry hand baggage only and transporting hold luggage separately.
"Outbound flights from the UK to Sharm el-Sheikh remain suspended and the Foreign Office continues to advise against all but essential travel by air to or from Sharm el-Sheikh airport but we are continuing to work with the Egyptians to get back to normal service as soon as possible."
EasyJet, Thomson Airways, British Airways, Thomas Cook and Monarch all announced they will operate to the UK on Friday, including a number of "rescue flights".
The restrictions on hold luggage mean that anything that cannot be taken into the aircraft cabin will have to be transported back to the UK separately.
The resumption of services comes as defence secretary Michael Fallon has said it is "morally indefensible" for Britain to rely on other countries to tackle IS in Syria.
Fallon told the BBC he was appealing to MPs to reconsider the case for airstrikes in the country. In 2013, MPs rejected possible UK military action in Syria against President Bashar al-Assad's regime and it has recently been reported a second vote on the issue has been dropped, something Fallon dismissed.
He said: "ISIL is a very direct threat to us in Britain. We've had 30 British holidaymakers slaughtered on a beach in Tunisia, and it's not right morally to rely on French or Australian or American aircraft to keep our streets safe."
Downing Street confirmed a team of British experts had gone to Sharm el-Sheikh about 10 months ago as part of a long-term approach to assessing security arrangements at the airport.
People grieve at an entrance of Pulkovo airport outside St. Petersburg, Russia, during a day of national mourning for the plane crash victims, on Monday
Transport Secretary Patrick McLoughlin said hold luggage was "one of the big concerns" about security.
He added: "We have reassured ourselves about the way in which Sharm is operating, but we have put in place separate measures as far as people not returning with all their luggage.
"That will be returned separately and that will be repatriated to them in due course."
Asked why it was necessary to leave the hold empty he said: "It's one of the big concerns we had. Without going into too much of the information that we have received and had before, we think this is one of the ways of making sure the people who are returning are safe."
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McLoughlin indicated that although the airport was inspected 10 months ago, different measures were needed now.
Since the bombing passengers have spoken about lax security measures at the airport, including a worker manning the scanning machine whilst playing candy crush on his phone. Sky News also reported claims on Friday by Dale Parkyn who said he he jumped queues and baggage checks by paying just £15.
"Just because something was seen to be OK 10 months ago doesn't mean to say it's the same today and doesn't mean to say that we don't need to see changes that perhaps we didn't need to see 10 months ago," McLoughlin said.
The Association of British Travel Agents (Abta) advised holidaymakers to contact their airlines about travel arrangements.
"As a result of the current situation, holidaymakers travelling from Sharm el Sheikh airport will have to follow certain special procedures as set out by the Government, including restrictions on taking hold luggage and the size of hand luggage," a spokesman said.
"Whilst it is appreciated this may cause some inconvenience, these procedures are being implemented for the security and safety of passengers and its important that passengers follow their airline's requirements."