Three people were arrested after climate change protesters abseiled from Tower Bridge in London to unfurl a banner.
The famous bridge, which is currently adorned with the Paralympics Agitos logo, was closed for more than an hour.
City of London Police said they arrested a man and a woman on suspicion of causing criminal damage and a public nuisance and another man for assisting them.
The banner read Climate Change, Our Next Challenge.
A spokesman said: "We were alerted to two people who had abseiled off the top of Tower Bridge and suspended themselves to unfurl a protest banner.
"This caused the bridge to be closed in both directions to pedestrians and traffic.
"Specialist police recourses were deployed and approximately one hour later the protesters, a man and a woman, voluntarily climbed back on to the bridge and were arrested on suspicion of causing criminal damage and a public nuisance.
"A second man was seen to be assisting them and was arrested at the scene."