United Kingdom, May 3 -- Sir Richard Branson once saved Keith Richards from a man with a gun.

The 74-year-old Virgin Group founder has been good friends with the 81-year-old Rolling Stones rocker for years and revealed he once saved Keith's life when he lied about his whereabouts to a man who showed up with a gun, intent on killing Keith because he believed Keith was having an affair with his wife.

Speaking about the incident on Virgin Radio UK, Richard said: "I went to the front door. There was this huge guy there and he had a gun.

"He went, 'I've come to kill Keith Richards, he's in your house with my wife'.

"As I was talking to him, I saw a naked Keith Richards and a naked wife running behind him across the lawn.

"I said, 'Put the...