Assistant Chief Constable Steve Johnson, of Police Scotland, said the incident was "contained" and there was no risk to the general public.
A suspect has been shot dead and six people, including a police officer, have been injured in a "serious incident" in the Scottish city of Glasgow, police said on Friday.
"The individual who was shot by armed police has died. Six other people are in hospital for treatment to their injuries including a police officer, who is in a critical but stable condition," Scotland's assistant police chief Steve Johnson said in a statement.
Police Scotland said the incident, which took place around 1:15pm local time (1215 GMT), has been contained and that there is no threat to the wider public.
Johnson said police are not looking for anyone else in relation to the incident.
The Scottish Police Federation, which represents the large majority of Scottish police officers, said it has notified the family of the injured officer.
According to Sky News, there have been a number of people injured.
An eyewitness told Sky News she had seen several people covered in blood being treated by emergency services, and armed police on the scene, at around 1:15 (1215 GMT). Sky said there were fatalities.
British media reported that three people were killed in the attack.
Serious police presence in West George Street, Glasgow just now. Armed police entering a building. Anyone know what’s going on? pic.twitter.com/aplqcywWrN— Adele Mills (@MillsAdele) June 26, 2020
Greater Glasgow Police said emergency services were dealing with an incident on West George Street in the centre of Glasgow.
"The situation is contained at this time and there is no danger to the general public," police said.
Scotland Police said they are continuing to deal with the incident and asked people to avoid the area.
"We are continuing to deal with the incident on West George Street #Glasgow and would ask people to avoid the area. We would urge the public not to speculate about this incident or share unconfirmed information on social media."— Police Scotland (@policescotland) June 26, 2020
A heavy police presence on West George Street is in place with more than a dozen police vehicles in attendance.
Images on social media appear to show armed police entering a building and a large number of emergency vehicles outside.
Reports coming in of a major incident in Glasgow city centre following a mass stabbing. pic.twitter.com/BvRsa4BiCu— Jack Dawkins (@DawkinsReturns) June 26, 2020
Scottish First Minister Nicola Sturgeon said the reports are “truly dreadful” and that she is being updated.
British Prime Minister Boris Johnson said he was “deeply saddened by the terrible incident in Glasgow” and that his thoughts are with “all the victims and their families.”
Last week, three people died in the southern English town of Reading when a man wielding a five-inch knife went on a rampage in a park. Police said they were treating that incident as terrorism.