Also part of the convoy with the cabbies were London Ambulance NHS Trust and AA breakdown vehicles.

A charity run by an ex-soldier and police officer hopes to issue 50 kits to cabbies in Cardiff, as part of an expanding network that includes six other UK cities.

“A city has to move,” one cabby said.

"App bookings are good for me because I know where my next job will be. More passengers booking trips means more cash for cabbies."

“What are you doing?” cries one woman in English as belligerent cabbies mill around the scene, carrying what looked like improvised cudgels.