The Israel Police have met with more than 230 victims of a Thursday pogrom in Amsterdam.
The suspects are in custody for public violence against individuals and groups.
"An investigation is still being conducted on possible warning signs from Israel," Van Weel said in his letter late on Friday evening.
Dutch Jewish community aids stranded Israelis amid pogrom in Amsterdam.
An alleged "Jew hunt" was announced well in advance in the messaging app Telegram, prompting rioters to travel from far outside Amsterdam to attack Israelis.
The Mossad issued a warning to security agencies in Israel and the Netherlands, requesting an immediate increase in security for Israelis attending the match and in the city.
El Al permitted to fly on Shabbat • New Israeli FM flies to Netherlands • IDF soldiers prohibited from flying to Netherlands
Phone providers are also offering free roaming packages for Israelis.
The President of United Haztalah, Eli Beer said, "This is what happens when terrorists are allowed into Europe."
"In terrible historical irony, this is happening two days before the anniversary of Kristallnacht in 1938, when Nazi-sanctioned and led pogroms against Jews erupted across the German Reich."
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