Jeremy Clarkson, the presenter of the BBC's Top Gear, had a brush with the police during an attempt to ridicule environmental protesters.
In a parody of Greenpeace's protest at Land Rover's Solihull factory on Monday, when environmentalists stopped production by chaining themselves to half-built 4x4s, the celebrity handcuffed himself to a bus at Hammersmith bus station in London on Tuesday night.
Bystanders say Clarkson and his co-presenters Richard Hammond and James May shouted at people for 25 minutes about ''gas-guzzling monsters'' before police arrived at 7pm.
Graham Goodwin, a spokesman for Transport for London (TfL) said: "He caused considerable disruption in one of our busiest bus stations, at one of the busiest times of the day. They were there without authorisation, trespassing in a private-access area and putting themselves and our staff at risk.''
He added that buses emitted 79 grams of carbon dioxide per passenger kilometre compared with 145 grams for a saloon car. ''If there's a point to be made here, it's clearly not a serious way for a film crew funded by the licence fee to inconvenience the public.''
Mr Goodwin said the BBC was refusing to recognise that the incident breached its editorial guidelines and planned to show the segment in tomorrow evening's programme. TfL intends to complain to the Broadcasting Standards Council.