On the eve of the Three Lions' Nations League match with Germany, seven England fans were arrested in Germany.
Sky Sports News witnessed a number of arrests in Munich on Monday night, along with anti-German chants and songs.
Seven people were arrested for abusing German police. One fan was arrested for hitting a police officer, two for Nazi salutes, and one for having a firework in a hotel room.
The police in the UK said the disorder was mostly alcohol-based anti-social behavior.
Large groups of England supporters were moved from the city centre to the train station by riot police.
The England manager asked fans to behave themselves before Tuesday night's game against Germany, admitting any pre- match issues always have a negative impact on his camp.
The loss in Hungary on Saturday came hot on the heels of the police confiscating the passports of England fans.
Some England fans are expected to travel without tickets or purchase tickets in the home section of the stadium for the game.
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A full England allocation has not been taken to an away game in over a year.
When asked if it was important for England fans to behave on a big occasion in Germany, he said yes.
Because of the landscape at the moment that the spotlight is going to be on, we all want to be talking about good football and a stunning atmosphere.
There is no control over that. We can't ask our supporters what they deliver.