NBC reporter Andrew Blankstein via Twitter:
Per FBI - One individual who was a subject of a federal probable cause arrest is deceased. No further information.
Arrests include Ammon Edward Bundy, 40, Ryan C. Bundy, age 43, Brian Cavalier, age 44, Shawna Cox, age 59, &Ryan Waylen Payne, age 32.
Another individual suffered non-life threatening injury, was transported to local hospital. Was arrested and is currently in custody - FBI
And:
All of the named defendants face a federal felony charge of conspiracy to impede U.S. officers from discharging their official duties - FBI
And:
Shooting took place 4:25 p.m. PST as FBI & OSP began an enforcement action against indiv. associated w/ armed occupation of Wildlife Refuge