Investigators are working to piece together the events that led up to a mass shooting in La Jolla on Sunday evening that left eight people injured.

At around 6 p.m., San Diego Police Department officers responded to calls of shots fired near a gated pool area at the La Jolla Crossroads complex on 9000 Judicial Drive, according to police chief Shelley Zimmerman.

Arriving officers located the suspect in the pool area.  Zimmerman said that officers shot and killed the gunman.

The suspect was described as a white male.

A motive is unknown at this time.

"At this time there is no known threat however we are confirming the area is safe. Please shelter in place," police said via Twitter.

Eight victims were transported to a local hospital, some of them suffering from critical injuries.  No other information was released at this time.