The Latest on the investigation of explosions in a small Nevada town (all times local):

10:57 a.m.

Federal, state and local authorities are still investigating the type of fuses or detonators used to trigger the powerful Wednesday evening blasts detonated by a man in a small Nevada town.

Lincoln County Sheriff Kerry Lee says Glenn Franklin Jones "ignited the devices."

A damaged semi-automatic handgun was found in the rubble following the blast, and Lee said authorities believe Jones it used to kill himself.

Authorities say the 59-year-old man drove a rented car from Arizona to Panaca (pah-NAK'-uh), Nevada, and detonated two bombs at the house of former co-workers. He fatally shot himself before the blasts erupted, according to autopsy results made public Sunday.

Lee said residents Tiffany Cluff and two daughters fled barefoot from the house before the blast. Husband Joshua Cluff and another daughter weren't home at the time.

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8:51 a.m.

An autopsy found that the man who authorities say detonated two bombs that destroyed a home and a vehicle in a small Nevada town killed himself before the explosions.

Clark County Coroner John Fudenberg (FYOU'-den-berg) tells The Associated Press on Sunday that Glenn Franklin Jones shot himself in the head. His death was ruled a suicide.

Jones blew himself up in the Wednesday night blasts, but no one else was seriously injured.

The family of five who lived in the house are OK.

Fudenberg says Jones was identified by fingerprints.

The detonations scattered debris more than a mile in Panaca (pah-NAK'-uh), a town of about 900 residents located 120 miles northeast of Las Vegas near the Utah state line.

Police in Kingman, Arizona, found bombs and several pounds of explosives in a motorhome where Jones had been living in recent weeks.