He transferred the chancellor to Argentina
Angela Merkel's plane carrying the chancellor to Argentina made an emergency landing. Angela Merkel was going to Buenos Aires to attend the G20 summit.
The German chancellor's plane had a problem in the first hour of the 15-hour voyage, made a U-turn and returned to Cologne airport where it made an emergency landing.
According to the first information, the problem was detected in one of the electronic systems of the Airbus A340-313X aircraft.