The operation, which focuses on Oxford Street, Edgware Road and Marble Arch, has led to 796 arrests since November.

BBC: Romanian police tackle West End begging gangs

The other four pieces are Let's Twist Again by Malcolm Robertson on the Newtownards Road, Sweet Water Arch by Denis O'Connor and Bernie Rutter at Stranmillis, Winding the Warp by Jason Mulligan marking the entrance to the Oldpark, and Spirit of Hedge and Hound by Martin Heron at Falls Park.

BBC: 'Millie' statue commemorates mill workers

Alan Baxter proposes re-erecting the 4, 000-tonne arch by the Euston Road, over 200 metres south of its former site.

BBC: 'Romantic' attempt to save lost arch