The guitarist says doctors had given him "a few years left to live", but is now recovering well.

The BBC says it did not uphold any of the allegations of antisemitism but accepted there were "shortcomings" in how it treated Lucie Kon.

Proceeds from the tour, which begins in Dublin next month, will go to organisations supporting Palestinians, he says.

He played the eager Russian crewman in the original Star Trek series and later appeared in Babylon 5.