Boris Johnson says he was "hugely disappointed" by the scenes at the Champions League final on Saturday and is calling on UEFA to launch a full investigation.
Liverpool were defeated 1-0 by Real Madrid at the Stade de France, but the football became a mere sideshow amid organisational issues outside the ground and footage of supporters being pepper-sprayed by authorities.
Merseyside Police praised fans for their "exemplary' behaviour " under difficult circumstances, but France's sports minister Amelie Oudea-Castera has blamed ticketless Liverpool supporters for the chaos.