At least one person was killed and five others injured on Sunday in a shooting at a church on the outskirts of Los Angeles, California, authorities reported.

"Dispatch received call of a shooting inside Geneva Presbyterian Church [in Laguna Woods] at 1:26pm," the Orange County Sheriff said on Twitter.

"Four victims have been critically wounded, one with minor injuries. All victims are adults and are enroute to the hospital. One victim is deceased at the scene," the sheriff added.