Arlington Heights police responded to a fight-in-progress at the Doubletree Hotel, 75 West Algonquin Road at about 2:00 a.m. Saturday. About eight subjects were fighting in the lobby. Police calmed the situation, but then had to come back for a fight reported on the third floor that the hotel manager was trying to control. The fight was also reported on the second floor. Police quickly got the situation under control. Unknown if any arrests occurred.