Bob Crow calls to Boris Johnson during radio phone in show
4 February 2014 Last updated at 13:55 GMT
RMT union leader Bob Crow and London Mayor Boris Johnson have discussed a planned strike by London Underground workers during a radio phone-in, in what is thought to be their first conversation in years.
Union members are due to walk out for 48 hours in a dispute over ticket office closures.
Calling the mayor during his show on London's LBC radio, Bob Crow urged Mr Johnson to suspend the job cuts.
Clip courtesy of LBC Radio