A distressed man who climbed the underside of the Palace Pier was rescued by emergency services in the early hours of Sunday morning.
The man had become trapped in the ironwork under the pier after climbing it, and was sliding down the structure about 30ft above the water.
A large operation involving police, ambulance, fire service, coastguard and the lifeboat was launched to get the man to safety and then to hospital.
A Sussex Police spokeswoman said: “Emergency services including police, fire, ambulance and Brighton RNLI lifeboat were called to a report of a despondent man who had climbed under the Brighton Palace Pier at 3.10am on Sunday (12 November).
“The man eventually came down after negotiation by police and the lifeboat crew. He was taken to hospital in a distressed state.”
Newhaven Coastguard said: The casualty was losing grip and slowly sliding down. Brighton Lifeboat managed to manoeuvre beneath the casualty in shallow water and choppy conditions and the casualty was taken aboard the Lifeboat. One the casualty was safe all teams stood down.”
The fire service said: “At 03:33am on 12 November, crews from Roedean and Lewes assisted police at Brighton Pier, Brighton after a person had become trapped in the structure under the pier. Crews liaised with the police and coastguard and provided assistance with direct access and lighting.”
A South East Coast Ambulance Service spokesman said: “SECAmb was called shortly after 4am to reports a man had climbed up onto the underneath of Brighton Pier.
“An ambulance crew attended the scene along with an ambulance car and they were joined at the scene by our Hazardous Area Response Team. The patient was assessed at the scene before being taken to Royal Sussex County Hospital.”
Brighton RNLI tweeted “Launched at 03.47am to a despondent male at Brighton Pier. Multi agency response. Resolved after negotiations, with male landed to boathouse.”