BRUSSELS (Reuters) - The chairman of the European Union summit on Friday said the most difficult issue remain unresolved in Brexit talks, saying time was running out for sides to put their cards on the table.
"There is a great deal of work ahead and the most difficult tasked are unresolved," Donald Tusk told reporters.
Adding that if both sides wanted to reach a deal by October, "This is the last call to lay the cards on the table."