A Janesville police pursuit ends with a damaged squad car and the suspect crashing on a dead end street.  Police says the chase began about 3:00 a.m. Monday as officers responded to the 3900 block of Milton Avenue for a report of a woman being assaulted and held against her will.  Officers says the chase ran through several southwest neighborhoods before the suspect crashed into a police squad car and sped off.  The incident ended when the suspect ran off the road in the 1800 block of Waterford Drive.  The suspect was arrested on charges including Operating While Intoxicated, Recklessly Endangering Safety, and Fleeing.