Segregated cycle paths are being built in some of the UK's larger cities, which is good news for those on two-wheels but has met opposition from some other road users who face delays, pollution and a loss of road space.

The work to build them has made life "vile" for pedestrians, says Janet Street-Porter who claimed many London cyclists fail to stop at red lights or keep off the pavements.

In a personal film, which she will debate on Monday’s Daily Politics, the TV presenter and former president of the Ramblers' Association asked why cyclists should get preferential treatment over pedestrians.

Watch the studio debate where her views were challenged by Boris Johnson's cycling tsar