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Megadeth is calling off all immediate tour plans as bassist David Ellefson deals with the death of his brother. 

Eliot Gordon Ellefson passed away on Monday at the age of 51 following a two-year battle with cancer. 

The band says David is taking a break to be with his family, so they've pulled out of all of this month's upcoming gigs including a number of festival appearances in Europe. 

Megadeth's website says they're scheduled to return to the road June 20th for a gig at Canada's Amnesia Rockfest.  They're also set to kick off a North American tour July 15th in Lewiston, New York. 

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