Fire has destroyed one of the oldest buildings in the medieval French city of Dinan.

It broke out overnight on Saturday at the popular Chez la Mere Pourcel restaurant in Place des Merciers.

The iconic building dates back to the fifteenth century and is listed as a historical monument.

Footage of the fire was shared on social media:

Crews were called out at 4am on Sunday morning.

Three people were rescued, and one firefighter was injured.

Local media France 3 Bretagne reported on the firefighting efforts:

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The city's mayor Didier Lechien has called it a considerable loss for the heritage of Dinan.

Une perte considérable pour le patrimoine de la @villededinan. Les sapeurs pompiers ont été formidables. pic.twitter.com/HfyvOiopn4

— Didier Lechien (@Didier_Lechien) June 23, 2019

This Tripadvisor photo shows how the ancient building, positioned in the corner of the square near to the city's market, looked before the blaze.