The Upper Dublin Police Department says the flyers were distributed during the early morning hours on Monday.
According to police, it appears the flyers were left at random.
The flyers are similar to ones in an incident in Cinnaminson, New Jersey on February 12th, police say.
"These acts of hate will not be tolerated in Upper Dublin and anyone who may have observed suspicious person(s) and/or suspicious vehicle(s) in the Maple Glen area during that time frame is encouraged to contact our Department at 215-646-2101," police said in a statement.
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