Cornwall Council has blamed Tesco for the helicopter link between Penzance and the Isles of Scilly being scrapped.
The operators said a legal challenge by Tesco scuppered a deal to sell the heliport at Penzance to another supermaket chain which would have funded the flights. The council called on Tesco to withdraw its challenge.
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Stay cold and unsettled
Staying cold and unsettled
Heavy snow and freezing temperatures have stranded vehicles and closed a number of roads across Gloucestershire and Wiltshire.