COSTA MESA (CBS) — Two people were wounded in an early-morning shooting in Costa Mesa.

In a statement released, Costa Mesa police say several shots were fired in the back of a parking lot at a Denny’s restaurant on Harbor Boulevard. The incident occurred at 1:54  a.m.

When officers arrived on scene, they say they did not see any victims but found evidence to suggest that a shooting had occurred.

According to police, the victims showed up at a local hospital, where one was listed in critical condition.

The second victim was treated for a wound to the leg and has since been released.

A suspect description was immediately available.

Anyone with more information about this case is asked to contact Detective Mike Delgadillo at 714-754-5197 or Sgt. Ed Everett at 714-754-5395.