Fire crews have blasted the flames with a water jet while flames could be seen through the scorched windows and billowing out of the roof of Glasgow School of Art's (GSA) Charles Rennie Mackintosh building.
The Scottish Fire and Rescue Service have sent several appliances from Cowcaddens, Yorkhill and Maryhill fire stations to the fire at the famous sandstone building.
More top news
Two people have died after being involved in separate lightning strikes in Wales' Brecon Beacons today.
France's Champagne and Burgundy wine regions have been granted Unesco world heritage status, as the remit for the title broadens.
A largely dry night ahead for the UK, but showers are set to spread in from the west during tomorrow.