The unwanted title was given to Derby after a poll of nearly 4,000 people about their experiences of visiting UK cities in the last two years by consumer group Which?.

Dramatic footage from a helicopter circling above shows the moment crowds swelled and converged on dozens of officers, appearing to push towards them in an effort to eject them from the area.

Convoys with hundreds of angry farmers driving heavy-duty tractors advanced toward the HQ, hell-bent on having their complaints about costs, rules and bureaucracy heard by the EU.