More acts have been announced to play the High Voltage Festival this year.

Black Country Communion, Jethro Tull, MSG, Spock's Beard and Caravan will now play at the two day event.

Judas Priest will headline the Saturday night whilst Dream Theater will play the Sunday night of the event, which runs from July 23-24 at Victoria Park, London.

In previous years, High Voltage has featured performances from the likes of ZZ Top, Black Label Society and Heaven and Hell.

Tickets for the festival are on sale now.

(by Holly Frith)