The negotiations in Abu Dhabi were very productive," said Foreign Minister Marco Rubio.
He also noted that the settlement issue will not be clearly resolved in the next 24 hours.
Speaking about the role of the Europeans, Rubio promised that at the right time the format of the meeting will be expanded and European representatives will appear at the table.
The first day of negotiations between the delegations of Russia, the United States and Ukraine ended in Abu Dhabi. The meeting lasted almost five hours, including the break.