I purcased a toro lawnmower from the united states via posting to France it has a 5 year warranty , have now moved back to the uk and there is a fault and the nearest toro dealer will not repair it as I did not purchase it from him. I have all the receipts etc , can you help

Bought a Toro lawnmower from the US had it shipped to france now live in the uk , it needs repairing and the nearest dealer will not repair as did not purchase it from him, I have all documents and receipts it came with a 5 year warranty , can you help