Half of the UK's helicopter air ambulance fleet is grounded over fears about potential cracks in the aircraft's rotor hub.

For more than a decade, the East Anglian Air Ambulance has been saving lives across the region.

Scotland's two air ambulance helicopters have been suspended following a warning about their safety. Eurocopter, the helicopter manufacturer, issued a safety information notice about its EC135 fleet on Sunday after reports of cracks on the machines.