Mick Lynch took a swipe at Sir Keir Starmer during a thunderous speech in Westminster.
The general secretary of the Rail, Maritime and Transport (RMT) union said the shadow cabinet should be promising to resolve pay disputes and rip up anti-union legislation if they win the next election.
He was joined Labour backbenchers Zara Sultana and Bell Ribeiro-Addy, SNP Westminster leader Stephen Flynn and former Labour leader, Jeremy Corbyn, as he made a speech.
Watch it in full below:
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