A teenage boy was found clinging to the underside of a coach on the M4 late last night.
Police were called to the motorway between junction 15 and 16 (Swindon) at around 9pm, following reports that a person had been seen underneath the vehicle which was returning from a trip to France.
The 15-year-old from Sudan, who’s thought to have entered the country illegally, was arrested on suspicion of immigration offences. 
The suspect remains in custody at Gablecross Police Station this morning.
