No mention of ethnicity. Must be the Norwegians again.
"Hundreds of teenagers stormed the streets of downtown Chicago, smashing car windows, attacking bystanders and sending panicked tourists running from the sound of gunfire.
"Where are their parents at? That's my question," a woman who identified as a Chicago native told Fox 32 as the unruly scene played out in downtown Chicago on Saturday night."
https://www.foxnews.com/us/teen-takeover-terrorizes-chicago-hundreds-children-destroy-property-attack-tourists