Dr Nick Thom from the Pavement Engineering Research Centre at the University of Nottingham explains exactly what causes potholes.
More top news
Police are investigating after an axe attack in Wolverhampton. A 22-year-old man has been arrested on suspicion of attempted murder.
Alton Towers has been forced to close all of its roller coasters on the opening day of its new £16m ride Wicker Man.
Snow is coming down across the midlands