Nevada state government agencies are experiencing a “network security incident,” the office of Governor Joe Lombardo said Monday, prompting the closure of offices.

Nevada state offices temporarily suspended in-person services today following an early-morning network security incident that disrupted government operations across the state, officials said.

The FBI is assisting the state of Nevada in investigating a “network security incident” that forced a closure of state offices Monday and will likely continue Tuesday. Details about how the incident occurred were unavailable,