Three men who were arrested over a drive-by shooting on Waterloo Bridge have been bailed until early May.
Police were called to reports of a shooting in the area at approximately 8pm on Friday.
A black Ford Focus travelling southbound was shot at - believed to be by someone on a motorcycle.
A 22-year-old man was taken to an east London hospital with head injuries but he has since been discharged.
Today the police renewed their appeal for witnesses and information following the attack.
Officers say the surrounding area, including the Southbank, would have been busy and are eager to speak with anyone who witnessed the shooting, or who saw the motorcycle in the area.
Any witnesses or anyone with any information can call police on 101 or call Crimestoppers anonymously on 0800 555 111.
More top news
Fourteen police officers were injured in protests over death of Edir Da Costa, the Met has confirmed.
A full list of buildings that have failed fire safety checks in London has been confirmed following the tragedy of the Grenfell Tower fire.
One of the youngest victims of the Grenfell Tower tragedy choked to death on fumes from the fire, an inquest heard.