Two fire engines were called to an office block in Nottingham city centre, with workers evacuated and a road closed.
Dozens of people were gathered outside the building in Wollaton Street, with two fire crews in attendance.
However, the evacuation was due to a false alarm, the fire service has confirmed in a statement.
To read all the biggest and best stories first sign up to read our newsletters here.
Nottinghamshire Live witnessed dozens of people waiting outside, close to the Crown Plaza hotel and car park, and the back of Alea Casino.
A spokesperson for Nottinghamshire Fire and Rescue Service said: "It was a false alarm. We received calls to offices in Wollaton Street at around 12.05pm.
"Two crews were sent to the scene, one from Stockhill and one from London Road."
Were you affected by today's evacuation? Tell us in the comments section.
