This video captures the moment a fire engulfed the Railway Tavern and Firebox Grill in Fahan, Inishowen last night.
It is not yet known of the extent of the damage caused to the premises.
The blaze at the Firebox Grill comes a days after the Inishowen restaurant was broken into.
The suspected thief gained entry through a side door and made off with safes and till drawers containing sums of cash.
The suspect captured on CCTV was carrying a blue and black Animal branded backpack.
Gardai are appealing for information from anyone who may have seen anything suspicious in the vicinity of the premises on Sunday night and Monday morning.
They have also asked anyone who may come across any discarded safes or till drawers to contact them at Buncrana Garda Station on 00353749320540.
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