By early afternoon on Friday there had been one arrest, but police say there have been several fights and some fans are looking for trouble.
But his words were ignored by some of the more than 5,000 away supporters inside the ground, who jeered the Dutch national anthem before kick-off instead.
"England fans have worked hard over the last decade or so to improve their reputation and disorder has become a rarity", he explained.
Deputy chief constable Mark Roberts, the National Police Chiefs' Council (NPCC) head for football policing, believes the behaviour of a "large number" of supporters will have long-term ramifications for those wanting to travel overseas to watch England.
Curry exits game with MCL injury
But it turns out that the snake is not just biting, it is unhinging its jaw and looking to swallow Golden State whole. Early in a game against the Sixers, Curry tried to run around a Ben Simmons screen but collided with Simmons' knee.
England take on the Netherlands at the Amsterdam Arena on Friday night in an worldwide friendly as they continue their preparations for the World Cup.
Jesse Lingard's first worldwide goal secured the Three Lions a fully-deserved 1-0 win in Friday's World Cup warm-up friendly, but on-field success came with the cloud of off-field issues in Amsterdam.
'I heard some of the booing of the anthem which obviously isn't acceptable, ' the England manger said.
Yesterday, 25 England fans were arrested after riot police were brought in to break up the mass of people.
BSP leader accuses BJP of foul play in RS polls
The victor not only got the votes of 49 BJP MLAs but also the vote of BSP MLA Keshav Chandra and an independent MLA Vimal Chopra. Further, recent SP defector-turned-BJP member Naresh Agarwal's son Nitin, still an SP MLA, may probably cross-vote for BJP .
A total of 27 members were suspended for their behaviour in Dortmund.
Josh Mahoney, 23, was in Amsterdam with family for his first England game and told the Press Association following the news of Thursday's arrests that the police were "very heavy-handed".
England fans are preparing to travel to Russian Federation for the World Cup this summer after violent clashes between the two countries' supporters at Euro 2016 in France. As was reiterated ahead of the fixture, we always urge supporters to respect our hosts and behave in a responsible manner.
'They attacked us for no reason.
Students "March For Our Lives" with calls to end gun violence
The march is expected to draw students, parents, and "anyone else who wants to come", she added. If there's an opportunity for my voice to be heard, to do something, I'm going to take that.