European Council president Donald Tusk wished the UK goodbye, stating the bloc already misses them.
Mr. Tusk also said the EU remains determined and united as tough negotiations lie ahead with the UK.
Though saddened by the UK's departure, Mr. Tusk said the interests of the remaining 27 nations of the European Union remain his main priority.
IN: "Today I can say..."
OUT: …the 27."
DUR: 23s
IN: "What can I..."
OUT: …goodbye"
DUR: 08s