LAS VEGAS (AP) — Clark County sheriff’s officials say they’ve been interviewed by the FBI as part of an investigation into armed supporters of Nevada rancher Cliven Bundy.

Assistant Sheriff Joe Lombardo tells KLAS-TV that federal agents are looking into the conduct of people who reportedly pointed guns at officers during a standoff at Bundy’s ranch April 12.

MESQUITE, NV – APRIL 11: Rancher Cliven Bundy poses for a photo outside his ranch house on April 11, 2014 west of Mesquite, Nevada. Bureau of Land Management officials are rounding up Cliven Bundy’s cattle, he has been locked in a dispute with the BLM for a couple of decades over grazing rights. (Photo by George Frey/Getty Images)

The Bureau of Land Management had been rounding up hundreds of Bundy’s cattle that it says were trespassing on public land. It says Bundy owes more than $1.1 million in fees and penalties.

The roundup was called off over safety concerns.

Bundy supporters have denied pointing weapons at authorities and say that BLM rangers were the ones pointing guns.

A spokeswoman for the FBI in Las Vegas did not immediately respond to messages seeking comment.

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