The European Union says that it will provide fighter aircraft and finance €500 million in procurement and delivery of weapons to Ukraine, the first time that the EU has done so. The EU will also provide €50 million in medical supplies.
The U.S. Ambassador to Estonia, James D. Melville Jr., announces his resignation from that post because of U.S. President Donald Trump's comments about NATO and the European Union. He was appointed to the post in December 2015.
The United Kingdom formally notifies the European Council of its intention to withdraw from the European Union and the European Atomic Energy Community. There is not yet agreement on a negotiations roadmap.