FIRE crews were battling a fire that engulfed a bus in Glasgow city centre this afternoon. 

The Scottish Fire and Rescue Service confirmed two engines were in attendance after being alerted around 12.25pm on Saturday, April 23. 

A video posted to Twitter shows flames ripping through a double-decker First bus.

Glasgow Times: A bus is on fire on Glasgow's Renfield Street A bus is on fire on Glasgow's Renfield Street

The cause of the fire is still unclear at this time but there are no injuries.

Renfield Street has been closed between Bath Street and West Regent Street.

Diversions are in place via Bath Street, Wellington Street and West Regent Street.

West Regent Street was also closed between Renfield Street and West Nile Street, with traffic diverted through Renfield Street, West George Street and West Nile Street.

First Bus said they are aware of the incident and First Glasgow representatives are at the scene supporting the emergency services.

They thanked the emergency services for their swift response and confirmed that the bus driver and passengers were safely evacuated.

A spokesperson said "We are aware of an incident on Renfield Street, Glasgow where a fire has been reported.

"The emergency services are in attendance and we will be supporting them with their enquiries.

"The safety and well-being of our passengers, drivers and the public are our number one priority and we will be conducting a full investigation into how the incident happened."