Scottish firefighters tackled a blaze at Northfield Academy, a secondary school in Aberdeen, on March 22.
This footage shows plumes of smoke billowing from a building at the school on Monday.
Local reports said an explosion had been heard by an Aberdeen politician. The Scottish Fire and Rescue service reportedly said four pumps and a height vehicle were sent to the scene shortly before 1:45 pm. Credit: Eddy Eng via Storyful