Watch as Conor McGregor - Nate Diaz press conference threatens to descend into riot

They launched water bottles and cans at each other with media caught in the crossfire.

Chaos erupted at the MGM Grand as a pre-fight press conference ahead of Conor McGregor's UFC 202 rematch with Nate Diaz descended first into farce and then threatened to descend into a full-on riot, writes Joe Callaghan.

Tensions between McGregor and the UFC had come bubbling back to the surface when the Notorious one turned up over a half hour late for the final pre-fight press conference at the casino's David Copperfield Theatre.