The United Kingdom imposes an immediate moratorium on hydraulic fracturing, also known as "fracking", a technique for the recovery of oil or gas reserves.
Fracking for shale gas begins in the United Kingdom for the first time since it was suspended in 2011 after being linked to a series of earthquakes. Cuadrilla Resources say they will spend at least three months fracking two horizontal wells in Lancashire.
The Scottish Government Energy Minister Paul Wheelhouse announces that he will seek an indefinite ban (an existing moratorium has been in place since 2015) on crude oil recovery in Scotland by means of the process of hydraulic fracturing.
British Prime Minister Theresa May signs a letter invoking Article 50 of the Treaty on European Union. Its notification to the European Council tomorrow will formally begin the UK's withdrawal from the European Union.
The U.S. firm Concentrix, which is used by the British government to cut tax credit payments, suffers a data protection breach where some claimants have had their personal information such as bank statements, self assessment details, and National Insurance numbers sent to other claimants.
The former Liberian President Charles Taylor arrives in the United Kingdom to serve the remainder of a 50-year sentence after becoming the first head of state to be convicted of war crimes since World War II.