Chaos as California city declares state of emergency after hackers cripple 911 system

A California city pulled the plug on its entire computer network after a cyberattack knocked out key systems, including 911 routing and police and fire dispatch. Suisun City declared a state of emergency Saturday after malicious software breached its IT systems at about 5:45 a.m. Friday. The city’s response was drastic. Suisun City features a...