French authorities ordered 4,000 more people evacuated from tourist sites along its Atlantic coast on July 29, widening what may be France’s largest peacetime evacuation as returning heat threatened firefighters’ fragile hold on a vast wildfire west of Bordeaux .

Around 4,000 tourists have been evacuated from campsites and holiday villages in south west France, as firefighters continue to battle a huge wildfire.

Firefighters have kept a vast wildfire in southwest France from advancing overnight, extinguishing flare-ups near Atlantic coast dunes before returning heat and drier air…