A cyberattack has affected computers at hospitals in multiple states, forcing some emergency rooms to close and ambulances to be diverted. The attack is disrupting facilities operated by Prospect Medical Holdings, which is based in California and has hospitals and clinics there and in Texas, Connecticut, Rhode Island and Pennsylvania. Emergency departments at Connecticut's Manchester and Rockville General hospitals were closed and their patients diverted for much of Thursday. Waterbury Hospital's ER is using paper records. Many primary care services remained closed Friday, including ...