There are reports of a “massive” police presence on Dundee’s Yarrow Terrace in Menzieshill.
An eyewitness said he was looking out his window and could see at least three police cars, police vans and police officers in the street.
He said: “Police are currently all over the street but I’ve no idea what’s going on.”
A spokesman for Police Scotland confirmed that police are currently attending an incident in Yarrow Terrace.
He said: “We attended initially over reports for concern for a man. That situation appears to have developed.
“There are currently no further details available.”
A police statement added: “Police Scotland is currently dealing with an ongoing incident at Yarrow Terrace, Dundee.
“The road is currently closed and members of the public are asked to avoid the area meantime.”