In a startling discovery during a home renovation, contractors in Washington State unearthed a cache of live, military-style hand grenades filled with TNT. The unexpected find prompted a swift response from the bomb squad and led to the temporary closure of a nearby road, according to officials.

The explosives were uncovered on a property in Ollala, a rural area within Kitsap County, as reported by the Kitsap County Sheriff’s Office.

Upon making the discovery, the workers immediately contacted the homeowners, who were absent during the renovation process. The concerned homeowners promptly dialed 911 to report the situation.

Law enforcement officers arrived at the scene to evaluate the contents of the case and subsequently notified the state bomb technicians. For safety reasons, the road adjacent to the residence was temporarily shut down.

The case was found to contain ten grenades along with blasting caps and additional explosive devices. Bomb technicians confirmed that the grenades were loaded with TNT, heightening the seriousness of the find.

Inside the case were ten grenades, which bomb technicians determined were packed with TNT. The technicians also found blasting caps and other explosive devices.

The ten grenades, which appeared to be military issue, were secured by an explosive ordnance team from Naval Submarine Base Bangor. (Kitsap County Sheriff’s Office )

An explosive ordnance team from Naval Submarine Base Bangor also responded to the property and seized the grenades, which authorities believe were military issue.

The state bomb squad secured and seized the remaining explosives.

Other explosive devices were seized by the Washington State bomb squad. (Kitsap County Sheriff’s Office )

The homeowners told authorities they had recently purchased the property and had no knowledge of the case or explosives before the contractors made the discovery.

The Kitsap County Sheriff’s Office is investigating how the devices ended up on the property.