SAN DIEGO (KGTV) - Four Marines were killed Wednesday morning in an a training accident at Camp Pendleton, base officials announced.
In a press release, base officials stated, "A fatal incident occurred at approximately 11 a.m. ... during a range maintenance operation ..."
A Marine official told 10News' sister station KABC that the four Marines who died were handling unexploded ordnance at a firing range.
The official said that the incident did not occur during a live fire exercise. The four Marines -- part of a range maintenance team -- were sent in to recover or neutralize any unexploded ordnance, according to the official.
No other injuries were immediately reported.
Camp Pendleton Commanding General Brig. Gen. John W. Bullard said, "We offer our heartfelt prayers and condolences to the families of the Marines lost today in this tragic accident. Our first priority is to provide the families with the support they need during this difficult time."
The incident is under investigation, and the identities of the deceased Marines have not been released.