Anti-monarchy protesters arrested in UK as lock-on devices seized hours before coronation

Footage on Twitter seemed to show Graham Smith, chief executive of the anti-monarchy group Republic, being apprehended by police in St Martin’s Lane, near Trafalgar Square, on Saturday morning

(Charles McQuillan/PA)

Republican protesters have been arrested just hours before the coronation of Britain's King Charles III, after police seized lock-on devices.

Footage on Twitter showed officers using their powers under the new Public Order Act, as chief executive of anti-monarchy group Republic, Graham Smith, was among those apprehended in St Martin’s Lane near Trafalgar Square.