Labour leadership: 'Jeremy Corbyn's plans lack credibility'

The Labour leadership contender, Andy Burnham, has launched a direct attack on his rival Jeremy Corbyn - saying he's failed to explain how he'll pay for his ideas.

Left-wing back bencher Mr Corbyn continues to be the bookmakers' favourite to become party leader in September.

The shadow health secretary told the BBC that Mr Corbyn's plans lack financial and economical credibility.