Police respond to an incident in Glasgow that forced street closures in the city center.
Greater Glasgow police tweeted: “Emergency services are currently investigating an incident on West George Street in Glasgow.
“The road is currently closed and the public is asked to avoid the area at this time.
“The situation is limited at this point and there is no danger to the general public.”
A police officer and several others were reported to have been seriously injured in a mass stabbing.
Police officers were spotted at the Park Inn hotel in the city center.
The Scottish Police Federation, which represents ordinary officials, said on Twitter: “We are aware of reports that a police officer was stabbed in an incident in downtown #Glasgow.
“Our officers are present to provide all the necessary support. Please give our colleagues the space to do their job.
“More updates will be provided when we are able to do so.”
Witness Craig Milroy, who saw the aftermath of the incident in a nearby office building, said he saw four people who had been taken to the ambulance.
He told the PA news agency: “I saw a man of African descent lying on the floor with no shoes. He was on the floor with someone holding his side – I don’t know if it was a bullet wound, a stab wound or what it was. “
Mr. Milroy said the man was one of the four taken away by doctors and believed he was the victim of an attack.
He added: “Then we saw excitement, ambulances upstairs and we saw armed police officers all running into the hotel next to the common room.
“We were still outside after the police got down, the riot police and the triage team told us to go back and lock the door.”