Banksy's newest work, found near Kew Bridge, is done in the artist’s signature stencil style ... during performances by indie punk band Idles (also from Bristol) and rapper Little Simz.

"Using the stencil, 6 Music listeners can add a star to their favourite band or artist shirt for every concert they've been to, (Steve’s IDLES T-Shirt would look like a night sky.) "I appreciate ...