East Sussex Fire & Rescue Service can now confirm that after extensive work by the supplier the gas supply to the Claremont Hotel in Eastbourne has now been isolated.
Crews have damped down the site and all remaining pockets of fire have been extinguished.
We have now left the scene, however, we will continue to inspect and monitor the site at regular intervals overnight to ensure the fire remains out.
Road closures will remain in place, please avoid the area and obey the cordons.
An investigation into the cause of the fire will begin in the morning.