LONDON, ONT -- London Police say emergency response unit and several uniformed officers are on scene of a weapons investigation in North London on Sunday.

Several police cruisers were called to Attawandaron road at approximately 3:20 p.m. for an ongoing weapons investigation.

Police say there is no threat to public safety.

Residents at the North end of Attawandaron road were being advised to stay indoors.

The north end of Attawandaron Road has since been reopened, but the investigation continues.