A city centre square was closed off by emergency services as they responded to an alleged gas leak and power cut.
Blair Street and the adjacent Hunter Square had a cordon erected at its entrance while officers, firefighters, paramedics and SGN workers attended the site.
The Scottish Fire and Rescue Service (SFRS) said they sent three appliances to the incident after receiving a report of a ‘chemical smell’ in the air at 4.32pm. They confirmed they later left the site at 7.19pm.
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SGN confirmed they were in attendance after a ‘chemical smell’ was reported in the area. They added ‘carbon monoxide’ was detected at the Tron and the building was secured.
In a statement SGN said: “We received a call out from the SFRS who were in attendance at the Tron Tavern. Carbon monoxide was detected and gas supply to the building was isolated to make the situation safe.
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“We left the incident last night and advised the Tron to remain closed until the council can carry out an inspection.”
The SFRS said: “We received a report of a chemical smell in the area at 16.32pm yesterday and mobilised two appliances and dim appliance.
“We remained on scene until 7.19pm.”
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It is not known if The Tron has reopened. The bar has been approached for comment.
Police Scotland said they attended Blair Street in a support capacity for the SFRS.