The rail minister, Lord Peter Hendy, has reported himself to the police after he was spotted using a mobile phone while driving a vintage Routemaster bus in London during a charity tour. The former Transport for London commissioner apologised for what has been described as an “error of judgment” after a passenger saw him texting behind the wheel of the double-decker last month. He was reported to the Metropolitan police on 31 March by the passenger who had taken part in the tour three days earlier. It is understood the peer had been contacting a friend about a prostate cancer