ROCK giants Bullet for my Valentine are the latest act confirmed to play at the massive festival in Knebworth Park this summer. Already confirmed for the Sonisphere Festival on August 1-2 are Thin Lizzy, Alice in Chains, Machine Head, The Sword, Avenged S

ROCK giants Bullet for my Valentine are the latest act confirmed to play at the massive festival in Knebworth Park this summer.

Already confirmed for the Sonisphere Festival on August 1-2 are Thin Lizzy, Alice in Chains, Machine Head, The Sword, Avenged Sevenfold, Lamb of God and Mastadon.

The festival will be headlined by metal giants Metallica and nu-metal favourites Linkin Park.

More bands are expected to be announced in coming weeks. Keep checking www.thecomet24.co.uk for all the latest information.

To buy tickets, visit www.sonispherefestivals.com