A 24-year-old Norwalk man is facing assault and numerous other criminal charges after he led Westchester County Police on a chase Wednesday night on the Hutchinson River Parkway, rammed two police cars and injured several officers before being subdued and placed under arrest, according to Kieran O’Leary, public information officer for Westchester County Police. Three police officers – two from Westchester County and one from Harrison – were injured in the incident, which occurred about 9 p.m., O’Leary said.