At least three Israeli restaurants in Portland, Ore.—Aviv and two locations of Shalom Y’all—were vandalized with the words “Free Palestine” on Saturday and Sunday, according to the Portland Police Bureau.

Bias-crime investigators have been informed of the case, according to police spokesperson Derek Harmon.

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Spokespeople for the restaurants said they didn’t want to “get into the politics” behind the incident.

Shalom Y’all owners Kasey Mills, Jamal Hassan and Laura Amans labeled the graffiti as “anti-Semitic.” Read more at JNS