World cyberattack cripples UK hospitals, demands ransoms

LONDON— Britain's health service was hit Friday by a huge international cyberattack that froze computers at hospitals across the country — an attack that shut down wards, closed emergency rooms and brought medical treatments to a screeching halt.Hospitals in areas across Britain found themselves without access to their computers or phone systems. Many canceled all routine procedures and asked patients not to come to the hospitals unless it was an emergency. Some chemotherapy patients