<sod >An OfcomÂ investigation found that Three broke a rule of âutmost importance to public health and safetyâ that is designed to ensure everyone hasÂ access toÂ fire, police and ambulance services.< eod>< sod > An OfcomÂ investigation found the mobileÂ networkÂ broke a rule of âutmost importance to public health and safetyâÂ that is designed to ensure everyone hasÂ access toÂ fire, police and ambulance services via their phone.< eod>