ROCKFORD, Ill. (WIFR) – The Rockford Fire Department rescued a man from the Rock River just before 7 p.m. Tuesday night after he was in the water for around half an hour. Someone walking behind the Rockford Public Library noticed a bag on the sidewalk and heard a man yelling while clinging to ice in the river. The bystander called 911 and Rockford Fire crews were sent for a water rescue…