Chelsea and Aston Villa have been fined by Uefa for breaching the European governing body's financial rules. The two clubs could be prevented from registering new players for Uefa competitions for the forthcoming season unless they have a positive transfer balance by the end of the summer transfer window.

Chelsea and Aston Villa have been handed huge fines by Uefa for breaching financial rules – and have been warned they face bans from future competitions if they do not comply. Chelsea were fined €31m, a figure that could rise to €91m if they do not sort out their finances within the next four years.

Chelsea and Aston Villa have both been fined for breaching UEFA’s financial sustainability regulations, European football’s governing body has announced.