A Four-Alarm Fire was called by Prospect Heights Fire Department shortly after 11 a.m. at 923 Jonathan Court in Prospect Heights [MAP/SATELLITE]. Extra ambulances called to scene as about 100 people were displaced from their homes. No injuries were reported. Rescue operations had most firefighters committed to helping people who were hanging or stranded on balconies. Second, third floors and attic had fire throughout the floors. Heavy smoke was reported in hallways. Fire departments from Arlington Heights, Buffalo Grove, Glenview, Mount Prospect, Northbrook, Elk Grove Township, Elk Grove Village, Wheeling and more assisted Prospect Heights Fire Department.