Extra security barriers erected for late One Direction fan surge before This Is Us premiere in London Security staff in Leicester Square erected extra crush barriers as a surge of One Direction fans poured into the perimeter hours before the premiere of the band's film, This Is Us. Hundreds of fans who camped out overnight in the Leicester Square gardens were given wristbands guaranteeing them a prize spot for the arrival of the boyband, who are expected to walk the red carpet at 6pm. Predictions that the central London location would be swamped by 80,000 dedicated fans, hoping to meet their idols, however appeared optimistic. Click here or on "View Images" for more pictures from Leicester Square By midday, a carefully controlled stewarding operation had handed out stickers to 3,000 fans who were told they had a good chance of entering the pens which had been erected in front of an impromptu stage area, where bandmates Harry Styles, Zayn Malik, Liam Payne, Niall Horan and Louis Tomlinson will appear. The security operation, overseen by police and Westminster Council, faced its first challenge however as an early afternoon surge of fans, attracted by media coverage and the good weather, arrived at to join a queue which now snaked around the entire Square. Security guards said they planned to erect extra barriers and close off the Square entirely to new arrivals once the number of people who could safely be accommodated within the pens had been reached. Many of the "Directioners" held banners, screamed and sang the group's hit songs as they waited in the pens. They were given access to toilet facilities and water from a drinking fountain. The first fan in the queue, Dani Pring, 16, from Birmingham, said she arrived with a sleeping bag on Sunday morning.