It's understood the fire began in a shop in the early hours of this morning.
Gardaí have confirmed they are investigating what caused a large fire to ripped through several buildings in Co Donegal.
The blaze occurred on main street of Buncrana is still closed off as emergency services tackle the blaze.
It's understood the fire began in a shop in the early hours of Monday morning and spread to the nearby Plaza venue, causing extensive damage.
The fire has now been extinguished after units from north and south of the border fought the flames.
AA Roadwatch say diversions are currently in place as the R238 remains closed off.
Main Street is closed from West End to Market Square, with Ferris Lane also closed for public safety reasons.
A fire continues to rage on Buncrana main Street in #Donegal. A fire in a shop has spread to the neighboring Plaza venue. No reports of injuries. pic.twitter.com/Xg3rGNEsO1
— Greg Hughes (@GregHughes2) February 4, 2019
Speaking to the Irish Mirror a garda spokesperson said: "Gardaí in Buncrana were alerted to a fire at a premises on Main Street, Buncrana at approximately 9.40 pm on Sunday 3rd February, 2019.
"Local Fire brigade and Gardaí attended the scene and cordoned off the area. The fire spread and a number of residents were removed from their homes for their safety.
"No persons were injured but a large amount of damage was done. The fire is still smouldering at this time. The scene is currently preserved and scenes of crime investigators will attend the scene later this morning, when safe to do so."