Westmont police are investigating a robbery attempt early Sunday on the 600 block of North Cass Avenue.
Officers responded about 1:15 a.m. for a report of a masked man with a knife. Police said the suspect fled without any money. He was described as a white man roughly 6 feet tall and 20 to 30 years old with all black clothing and a black mask.
Police said anyone with information on the case should call (630) 981-6310 or send an email to firstname.lastname@example.org. Callers may remain anonymous.