The new customs and border formalities for movement between the European Union and the United Kingdom began overnight from Thursday to Friday. The British left the single European market at 11 p.m. and are now on their own-4.5 years after the Brexit referendum.

In the English port city of Dover and the French port city of Calais, new rules on imports and exports are now in force. The United Kingdom has previously indicated that it is ready for the major changes on the border with the European Union.

British Prime Minister Boris Johnson said on Thursday evening that the UK has ‘freedom in its own hands’ and should make the best of it.

Scottish Prime Minister Nicola Sturgeon announced at midnight that the country is expected to return to the EU soon. “Scotland will be back soon”, she reported on Twitter. “Keep the light on.”

Sturgeon wants to hold a second referendum on Scottish independence this year.