Marina and the Diamonds and Ash have been added to the line-up for the Reading and Leeds festival in August.

Both acts will play on the Festival Republic Stage, which will also feature Adam Green, Summer Camp, British Sea Power and Giggs.

Atari Teenage Rio, Caribou, The Joy Formidable and One Night Only are also set to appear.

The festival takes place from August 27-29, and will feature headline performances from Guns N' Roses, Arcade Fire and Blink-182.

(by Jason Gregory)