"Deeply respected" punk and metal guitarist Ross "The Boss" Friedman has died aged 72, just weeks after being diagnosed with Amyotrophic Lateral Sclerosis (ALS), a type of motor neurone disease (MND). The rocker rose to fame in 1970s punk band The Dictators, before moving on to be part of metal band Manowar in the 1980s - he said he was "crushed" to be unable to play guitar after his diagnosis. The Metal Hall Of Fame confirmed the news in a statement, just weeks after a fundraiser was launched