Falmouth Police are investigating what happened to a man who was found lying in a pool of blood in the Walmart parking lot.

According to Central Maine News, the 67-year-old Portland man was found next to his car early Monday morning. An officer patrolling the area found the man at around 3:30, and police say it appears that he had been stabbed, but it's early in the investigation.

The victim has been taken to Maine Medical Center with serious injuries. Officials say the man, whose name has not been released, was able to speak to police before losing consciousness. Police say they're not sure if he was the victim of a crime or whether he injured himself.

We'll update this story as more details become available.