Police are investigating a Labor Day stabbing. It happed in an apartment building on Pine Street around 5 o’clock.No arrests have been made but police say they they’re making progress in narrowing their search for a suspect. Bystanders say they heard shouting in the normally quiet neighborhood.One man said he’s a friend of the 32-year-old victim and provided first aid while waiting for police to arrive.Responders say the victim was stabbed in the abdomen.Police have not yet released his name or condition. The investigation is ongoing but police do not consider the incident to be a random act of violence. More information is expected to be released tomorrow.