Sonisphere festival has more tickets up for grabs after successfully applying for increased capacity this summer.

There are now more day tickets available for the mega Knebworth rock fest on July 8 to 10 featuring Metallica, Slayer, Megadeth and Anthrax, after big sales of weekend camping tickets.

A spokesman for the festival said: “Due to space restrictions on the campsite, the increased capacity does not allow for extra weekend camping tickets to be made available, but an extra allocation of single day tickets are on sale now.”

The tickets priced at �80 are available from