Police in B.C.'s Kootenays uncovered a surprise cache including dynamite, a grenade, loaded guns and property stolen from a local police station at a raid on a home in Greenwood last week.

RCMP officers were searching for stolen property at a home in the 100-block of South Gold Street, when they discovered two loaded shotguns and a loaded rifle, 19 sticks of dynamite -- some bundled together with home-made fuses -- and a hand grenade.

An explosives disposal unit was brought in from Vancouver to detonate the dynamite and grenade.

Stolen property was also found on site, including some goods stolen from a police storage container in Grand Forks.

Police say the home was rigged up with a surveillance system that included a live security camera filming the front gate and yard.

Justin Douglas, 35, was arrested at the home, and faces several charges including possession of stolen property, illegal possession of explosives and other firearms-related charged. Douglas is known to police.

RCMP Cpl. Dan Moskaluk told ctvbc.ca that police have not yet determined if the bust is related to gangs, drugs or organized crime.

Mounties are also searching for two more people suspected to be connected to the house. "We don't have sufficient evidence at this time to seek a warrant for their arrest," Moskaluk said.

Second dynamite haul uncovered at Kootenays grow-op

On Sunday, Grand Forks RCMP were surprised again to find dynamite at a suspected marijuana grow-op on Dupee Road just outside of Christina Lake.

Along with 228 marijuana plants, police uncovered four firearms -- two of which were loaded -- and four sticks of dynamite.

Once again, explosives experts were brought in from Vancouver to dispose of the dynamite.

Christina Lake resident Jason Wood, 33, has been charged with unlawful possession of explosives, unlawful possession of firearms, unsafe storage of firearms, and production and trafficking of a controlled substance.

Moskaluk said that finding dynamite is a rare event for police in the Kootenays region.

"We will look at determining its origins and how these individuals came to possess it. This is not a common occurrence and is alarming to say the least," he said.