Explosive claims from Labour Party MP

A Labour backbencher has gone rogue, launching an extraordinary broadside at his own party and Parliament, decrying rampant bullying.
Gaurav Sharma has made the explosive claims after a long-running employment matter involving the Parliamentary Service and Labour's whip.
It follows allegations of bullying behaviour this week which saw the Tauranga MP Sam Uffindell suspended from the National caucus pending an investigation.
Here's RNZ deputy political editor Craig McCulloch.