The newspaper revealed the incident took place at the Penthouse club in
The Dulwich born player, who has previously served time in prison for driving a stolen BMW, was taken to Charing Cross police station in
No details have been released of the alleged victim, and King has been bailed to return to a police station in February.
A Scotland Yard spokeswoman said: "A man in his 20s has been arrested on suspicion of assault and ABH. He has been bailed to return to a
It is believed that King, who has been ruled out for the rest of the season with a knee injury, also kept the incident from
A Watford FC spokesperson confirmed: "The club has been made aware of an alleged incident but we have been advised by the police not to make any further comment at this stage."