David Mark Allan, 47, from Swindon, Wiltshire, suffered head injuries on the Millbrook Proving Ground, near Marston Mortaine, on Tuesday.

BBC: Tracks

He also denies murdering father and son David and Mark Short.

BBC: Dale Cregan: PCs murder trial starts

As a result of delays caused by the crash, armed police were required to surround the convoy carrying Dale Cregan to Preston Crown Court, where he is standing trial for the murder of father and son David and Mark Short.

BBC: Schoolchildren hurt as two buses crash in Salford