The driver had to be rushed to hospital.
UPDATE:
The road has reopened:
Update - The #A5 #HollyLaneRoundabout (#B4116) to #GrendonRoundabout (#Grendon) all closures have been removed in both direction with all lanes are now OPEN after the earlier serious collision.
— National Highways: West Midlands (@HighwaysWMIDS) August 12, 2021
The A5 in Atherstone at the Sheepy Magna roundabout is closed following an overturned HGV at half 6 this morning.
A man has been taken to hospital.
Emergency services are in attendance.
The road is expected to remain closed for some time.
This is the traffic situation according to Google at 10:50:

Police have asked driver avoid the area and take an alternative route.
West Midlands Ambulance Service gave this statement,
“We were called at 6:36am to reports of an overturned HGV at the A5 Holly Lane Roundabout, Atherstone.
"We sent one ambulance, two paramedic officers, the Hazardous Area Response Team (HART) and Warwickshire and Northamptonshire Air Ambulance critical care car to the scene.
"We have treated the driver of the vehicle, a man, for potentially serious injuries and he’s been conveyed to University Hospital Coventry and Warwickshire for further treatment.”
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