"Every single person and every single item of baggage was searched".
Passeners were informed shortly before take off that a "direct threat" had been made against the aiport.
Sniffer dogs have also begun searching luggage.
The plane was due to depart the airport at 7.25am this morning.
Speaking to the Daily Star Online, Mr Anderson said: "Initially the pilot told us there were technical issues". We were waiting on the plane for around an hour.
Bharti Airtel offers 60GB free data for 6 months
Users were instructed to download Airtel TV app then, and the condition to avail 60GB this time remains the same. Once the download is done, users will receive the free data credit their free data benefits within 24 hours.
"They were then told the plane was to move to another part of the airport".
Anderson said customer were being rebooked onto next available flights.
An improvised explosive device partially detonated on a train at the Parsons Green station on the District line, injuring 29 people.
The airline stressed that the additional security checks had been carried out merely as a precaution and added they would never allow a flight to take off unless it was safe to do so.
An 18-year-old man and a 21-year-old man have been arrested in connection with the bomb attack.
Top UFC contender manhandles Bronx native David Branch
Branch again came out the aggressor in the second, but Rockhold took him on in the grappling department with overwhelming success. At the conclusion of Saturday's live main card on TSN2, the live UFC FIGHT NIGHT POSTFIGHT SHOW airs at approximately 1 a.m.
Yankees Hit 3 HRs, Back Montgomery In 9-3 Win Over Orioles
Severino (13-6) allowed two runs on three hits and little else while improving to 8-2 in 12 starts since the All-Star break. The Orioles will purchase the contract of LHP Tanner Scott from Double-A Bowie and add him to the active roster Sunday.
Tuesday morning power outage update
US officials have said some 10,000 residents of the Keys stayed put when the storm hit and may ultimately need to be evacuated . Thousands were left without power Monday when the remnants of Hurricane Irma tore through the state with high winds and rain.
Ricciardo still confident of Singapore F1 win from P3
But the reigning champions endured an uncharacteristically off-colour weekend in 2015, when Vettel won for Ferrari instead. The Ferrari driver took pole position while the world championship leader had to make do with fifth on the grid.
Klopp frustrated as Liverpool draw with Burnley
Scott Arfield's goal was quickly canceled out by Mohamed Salah's strike, and Liverpool are now winless in their past three. That galvanised the hosts, who upped the ante as they sought to further damage Burnley's frustrating, effective set-up.
Texas OT Connor Williams Leaves Game vs. USC with Knee Injury
Herman is a product of the Los Angeles suburbs, growing up in Simi Valley and playing receiver at Cal Lutheran in Thousand Oaks. The junior has top-notch agility and shows the ability to elude defenders in the backfield and then quickly exploding up field.