All United Kingdom airports reopen at 10:00pm BST, with the first planes landing at London Heathrow
Sean Fitzgerald, 31, is shot dead by police officers during a raid on a house in Coventry, England, United Kingdom. Two 26-year-old men were arrested during the same raid, in connection with cannabis production.
North Korea stated that it would dismantle the Punggye-ri Nuclear Test Site between May 23–25 ahead of the Donald Trump-Kim Jong-un summit meeting. Furthermore, North Korea invited journalists from the United States, South Korea, China, Russia, and the United Kingdom to cover the process.
European Union foreign ministers hold an emergency meeting to assess the impact of the election of Donald Trump as U.S. president on EU-U.S. relations. U.K. and French foreign ministers do not participate.
Ryanair cancels all of its flights between Ireland and the United Kingdom until 13:00 on Friday 23 April and all Northern European flights — Ireland, UK, Denmark, Finland, Norway, Sweden, Belgium, The Netherlands, France, Germany, Poland, Baltic States and North Italy — until 13:00 on Thursday 22 April.