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

State offices across Nevada are being impacted by what the governor’s office called a “security incident,” causing many, including the DMV, to be closed Monday and possibly Tuesday. Gov. Joe Lombardo’s office reports the state first identified the incident Sunday morning and began investigating immediately.

WASHINGTON (Reuters) -The governor of the U.S. state of Nevada says that offices have closed, websites are offline and phone lines are patchy following an unspecified "network security incident."