A man from Nottinghamshire has been arrested after motorists reported seeing someone driving a van "naked and erratically" on the M1 motorway near Watford.
Police were called by motorists concerned about the way the man was driving at about 3.30pm yesterday.
The man was driving a white Ford Transit panel van and was described as naked.
Officers from the Roads Policing Unit requested the driver to pull over but it is alleged he did not stop. The van was pursued and the police helicopter also attended.
The pursuit ended on the North Orbital Road (A414) near the London Colney roundabout where it connects with London Road, St Albans.
A 21-year-old man from Sutton-in-Ashfield, Nottinghamshire, was arrested on suspicion of driving a motor vehicle without its owner’s consent, dangerous driving and failing to stop for police.
He has been released on police bail until Thursday, March 20.