Scottish football fans are continuing to descend on London ahead of the much-anticipated clash between England and Scotland at Wembley tonight.
Washing-up liquid was added to the water in the fountains as Scottish supporters took over Trafalgar Square and spent the day partying.
Travelling Scotland supporter, Michael Connell, said: "If we win, there will be a party. If we lose there will be an even bigger party but it will have been after 90 minutes of inconvenience."
More top news
The chancellor now faces the prospect of forming a minority government or calling for a snap election.
The 73-year-old said a return is unlikely "given the politicised atmosphere that seems to have afflicted our set."
Chancellor Philip Hammond said the UK will make a financial proposal to the EU in the next three-and-a-half weeks.