The German Chancellor said far fewer people had been permitted to watch tournament games hosted in Munich and she believes the UK Government's approach is 'a bit too much'.
But Boris Johnson insisted the games at Wembley are going ahead in a 'very careful and controlled manner' as he rejected calls to reduce fan numbers.
Angela Merkel today expressed her 'grave concern' at the number of football fans allowed to attend Euro 2020 games at Wembley Stadium
More than 60,000 fans will be allowed to attend the semi-finals and the final of the tournament at the stadium in west London
Almost 42,000 fans attended Wembley for last Tuesday's last-16 match between Germany and England.