1939 25 Feb. 11/2 Machine-gun Escort at Shanghai Funeral... [The hearse was] followed at a discreet distance by a riot van ready for action.
1973 J. Drummond xxxiv. 116 There were extra police on duty, and several riot vans under the trees.
2004 N. Ryan (new ed.) iv. 72 A riot van full of cops screeches around the corner, powering towards the police station.