The incident was described as "the last thing Silverstone needed" by the track's boss, Martin Brundle.

BBC: Protester mars British GP

Tim Brundle, director of innovation at the University of Ulster, said his institution worked closely with Invest NI.

BBC: Enterprise Committee

"It was pretty brutal there's no doubt about it, " BBC F1 co-commentator Martin Brundle said of the move.

BBC: By Sarah Holt