The Army yesterday identified the solder killed in an explosives accident at Pohakuloa Training Area on the Big Island as Staff Sgt. Oscar Rodriguez, 27, a native of Beeville, Texas.

Rodriguez was assigned to the 25th Infantry Division's 1st Battalion, 14th Infantry Regiment.

He was killed Friday during a live-fire training exercise, the Army said. Four other soldiers were injured. The Hawai'i County Fire Department said all "sustained blast trauma due to accidental munitions malfunction."

An Army Black Hawk helicopter took Rodrigues to Hilo Medical Center, where he was pronounced dead at 5:35 p.m.

The other four soldiers were also taken to Hilo Medical Center, then to The Queen's Medical Center Saturday morning. The Army has not disclosed their conditions.

Rodriguez joined the Army in 1996 and was assigned to Schofield in October 2002. He is survived by his wife and son.

The Army said it was investigating the incident.

The Army suspended live-fire training at Pohakuloa following the accident. Pohakuloa Training Area consists of 109,000 acres near the center of the Big Island. It is used to train ground troops and aircraft units.