Manchester City call the Premier League's proposed changes to rules governing commercial deals "unlawful" in a letter to other top-flight clubs.

Hostilities between Manchester City and the Premier League are intensifying ahead of a crunch vote as they ferociously attack each other’s positions in new leaked letters.

The champions have written a new letter to the 19 other Premier League clubs, once again warning them of "unlawful" amendments.

Manchester City have apparently written to all Premier League clubs to share their concerns over redrafted finance rules ahead of next week's vote.

Manchester City have reportedly sent a letter to 19 other clubs condemning "unlawful" new Premier League rules and threatening possible legal action.