We’re profiling the relatively little known RMT union leader Mick Cash this week.

Train guards have begun what they say will be 27 days of strike action across the entire South Western Railway region in December.

More than 600,000 journeys a day are being affected.

The aim, says 59 year old Mick Cash, is to prevent SWR introducing new driver-only controlled trains next year.

Mark Coles tries to find out more about the man.