The man, who is barefoot and holds a Palestine flag, has been spoken to by negotiators several times but at 10.30pm had not yet agreed to come down.
A 29-year-old man has been charged after climbing onto the clock tower of Big Ben, Metropolitan Police said. Daniel Day, of Palmerston Road, Westcliff-on-Sea, Essex, has been charged with intentionally or recklessly causing a public nuisance and trespassing on a protected site.
A barefoot man who scaled Big Ben's tower with a Palestine flag has been on the building for more than seven hours.
A man who scaled London’s Big Ben, and spent the day perched on the historic clock tower with a Palestinian flag, was arrested shortly after he came down after midnight Sunday, police said. Pictures from the scene showed a cherry picker transporting him to waiting emergency crews on the ground.