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:
Related: ‘It’s simple biology’: Lee Anderson says he’d choose heating over eating
Since you are here
Since you are here, we wanted to ask for your help.
Journalism in Britain is under threat. The government is becoming increasingly authoritarian and our media is run by a handful of billionaires, most of whom reside overseas and all of them have strong political allegiances and financial motivations.
Our mission is to hold the powerful to account. It is vital that free media is allowed to exist to expose hypocrisy, corruption, wrongdoing and abuse of power. But we can't do it without you.
If you can afford to contribute a small donation to the site it will help us to continue our work in the best interests of the public. We only ask you to donate what you can afford, with an option to cancel your subscription at any point.
To donate or subscribe to The London Economic, click here.
The TLE shop is also now open, with all profits going to supporting our work.
The shop can be found here.
You can also SUBSCRIBE TO OUR NEWSLETTER .