Police have released CCTV of a man they would like to speak to after a group of friends were attacked when they tried to stop a man being beaten up on Brighton seafront.
The victims were on their way home after a night out.
An 18-year-old and a 17-year-old from Brighton have been arrested and questioned on suspicion of assault. Both have been released on bail while enquiries continue.
More top news
The latest weather for the east with Philippa
The latest weather for the west with Philippa
Paddington station had to be evacuated due to a fire alert this morning, causing disruption for passengers