The base (pictured yesterday) is home to four squadrons of Tornado bombers which have been flying bombing raids against Islamic State fighters in Syria since December from a base in Cyprus.
RAF Marham, near King's Lynn, Norfolk, was placed on lockdown after an RAF serviceman was threatened by blade-wielding assailants at around 3.30pm yesterday.
Police would not comment on whether the incident was terror related but reports suggest that there was a 'strong possibility' this was a terror attack.
The initial lockdown has been lifted but a major road remains cordoned off as police search for the two suspects, who fled the scene in a dark coloured Ford Galaxy.
The serviceman, who was not in uniform, was unharmed in the incident.
Pictured, Mrs Bell in hospital with Rory (left) and sharing a poignant moment with her son (inset).
HMS Ambush (top left before the collision) was submerged and carrying out a training exercise when it collided with the merchant vessel on Wednesday afternoon, Britain's defence ministry confirmed.The Astute-class vessel suffered 'some external damage' (circled) but no crew members were injured in the incident.He is no stranger to mixing with models, so it's no wonder Leonardo Di Caprio's annual foundation dinner in the South of France on Wednesday was jam packed with some of the world's most glamorous catwalk queens.Victoria's Secret beauties Doutzen Kroes, Lily Donaldson and Joan Smalls (far left, centre and far right) made sure their sensational figures were on display in daring dresses as they arrived on the dock in St Tropez for the glitzy affair at the Domaine Bertaud Belieu vineyard.Alongside the stunners was runway diva Naomi Cambell, who stunned in a plunging gown, and singer Mariah Carey, who cosied up to the man of the hour inside the A-list bash.The night included one of the most lavish auctions in fundraiser history, with lots including Picasso paintings and tickets to the White House Correspondents Dinner going under the hammer to raise funds for The Leonardo Di Caprio Foundation, which has raised over $59million for good causes since 2008.