New acts have been confirmed for London's Hard Rock Calling Festival.

Joining headliners The Killers on Friday 26th June are:
Howling Bells
Metric
Silversun Pickups

Saturday 27th June will see Neil Young heading the bill with the following now confirmed to be playing:
Magic Numbers
Johnny Flynn
Mumford Sons
Priscilla Ahn

The following acts have also been announced for Sunday 28th June, the final day of the festival which will see Bruce Springsteen bring the event to a close:
James Morrison
Starsailor
Joshua Radin
Low Anthem
Pretty Things

A limited number of tickets have been released for Friday 26th June with weekend tickets (Saturday 27th and Sunday 28th June) also availiable.