A student union has been evacuated after a fire broke out in an adjoining building.

Around 150 students were evacuated from Strathclyde University's Student Union, in the centre of Glasgow, after flames were spotted in the neighbouring James Weir building in Montrose Street.

Four fire engines and eight pumps attended the incident, which sent plumes of smoke drifting across George Square.

A spokeswoman for Strathclyde Fire and Rescue said they had been called to the blaze at 7.15pm.

No-one is believed to have been injured in the fire, which began in a room on the building's third floor.

A message on the university's official Twitter page read: "We're aware of the fire and buildings have been evacuated.

"Fire service in attendance. We are monitoring the situation. Updates to follow."

Police said the fire could possibly have been caused by chemicals, as the James Weir building houses the university's chemical engineering department.

Union president Charandeep Singh called emergency services after spotting flames from his office.

He told STV News: "We evacuated the union as a precautionary measure. Around 150 students were evacuated within two minutes.

"I'm extremely proud of the staff and the fire brigade who dealt with the situation swiftly and calmly ensuring the safety of students. I will assess the situation as it develops with the appropriate people."

A statement posted on the university's Facebook page said: "All classes in the James Weir Building on Wednesday 8 February have been cancelled. This is due to a fire which broke out in the building earlier tonight.

"Students will have access to other University facilities as normal and we will keep you up to date with developments throughout the day."

Montrose Street was closed to all traffic between Cathedral Street and George Street and motorists were advised to avoid the area.