"We are determined to keep our unity as 27," President of the European Council Donald Tusk says after #Brexit.

The European Union president said the bloc was determined to stay unified after Britain voted to leave and warned against "hysterical" reactions.

"Today on behalf of the 27 leaders, I can say that we are determined to keep our unity as 27," Tusk told reporters in Brussels, adding that "it is a historic moment but for sure not a moment for hysterical reactions."

Tusk said that the bloc would meet without Britain at summit next week to assess its future,