Mastodon guitarist Bill Kelliher has been hospitalised in London, a spokesperson for the band has confirmed.

Doctors have been monitoring his condition, which is described as “improving”, since November 3rd.

No further details about Kelliher's condition have been made public at this time.

Mastodon are to continue their Unholy Alliance Chapter 3 package tour and are “hopeful” that Kelliher will rejoin them before their gig in Utrecht on November 30th.

The band's European dates are scheduled to end at the All Tomorrow’s Parties Festival in Somerset on December 7th.

(by Jason Gregory)