Anthrax, Slayer and Megadeth also confirmed for July event
Drummer Lars Ulrich reveals the group will 'start writing again in March or April next year'
'Six Feet Down Under' coming out later this September
'Big Four' performance to be released in October
Drummer suggests he regrets letting cameras in on the band's world
Metal legends get interactive in Portugal
Plus Download festival renames a stage in Dio's honour
Troops are blasting out loud music from a converted military vehicle
Bands to release split 12-inch for Record Store Day
Tour 'will blow your mind' according to band manager