SUDBURY -- North Bay police say there is "no concern for public safety" despite heavy presence on a quiet residential street.

Few details are known, but police, fire and paramedics are gathered at a townhouse on Manitou Street in North Bay on Monday morning.

"There is a police presence in that area in regards to an ongoing police investigation," said John Schultz, community safety coordinator for North Bay Police Service, in an email to CTV News. 

Several officers from the SWAT team are on the scene.

"One person is secluded inside," said Schultz.  

He said he does not have any further details.

More details to come on this developing story.