A stalwart of the Labour Left welled up today as he hailed Andy Burnham's by-election win as a chance to 'redistribute wealth'.John McDonnell - who served as shadow chancellor under Jeremy Corbyn - became tearful on LBC as he watched footage of Mr Burnham's victory speech in Makerfield.Asked if he was 'emotional', Mr McDonnell said: 'I certainly am.'The Hayes & Harlington MP said he was 'lifted' by the result, arguing it showed Reform can be 'trounced'. Pressed what would change with Mr Burnham as PM, Mr McDonnell said: 'For me... it opens up a space to have a proper debate and discussion while we are in government.'On the fiscal rules I think if you look at some of the advisers he has now put around him... 'I think there is a creative way of looking at those fiscal rules so we can actually ensure that we can invest on the level that we need to, but also look at the redistribution of wealth and income in this country so that we can tackle the levels of poverty that we have got.' John McDonnell - who served as shadow chancellor under Jeremy Corbyn - became tearful on LBC as he watched footage of Mr Burnham's victory speech in Makerfield Mr Burnham secured a majority of 9,000 votes over Reform in a contest that most expected to be far closer