Arlington Heights firefighters and police responded to a report of a dumpster fire near a building about 4:00 p.m. Friday in the parking lot at the northeast corner of Dryden and Kensington. Firefighters arrived to find a grass fire near a garage at the back side of the south end of the Marketview Apartments. Firefighters suspected arson in the grass fire and police were called to investigate a report that youths may have been involved in setting a grass fire in the southeast corner of the Marketview property. No injuries reported. No word on police contact with any suspects.