His tone contrasted with remarks earlier from UN Secretary General António Guterres, who warned global divisions were deepening.

The delivery driver was transferred from a hospital to a detention centre after the shooting on Sunday.

Alisher Usmanov and Mikhail Fridman both have close ties to President Putin, and Kyiv said the move sent Moscow the wrong signals.

The defence deal signed at the UN General Assembly also re-affirms Denmark's sovereignty over its semi-autonomous Arctic territory.