Washington (CNN) A senior administration official confirmed to CNN on Thursday that there is an ongoing Department of Homeland Security inspector general investigation that includes FEMA administrator Brock Long. The investigation includes, but may not be limited to, travel using government resources, and that would include the administrator's travel in government vehicles on the taxpayer's dime, the source told CNN.

The news of the investigation comes as the east coast of the United States braces for Hurricane Florence.

The DHS IG is examining whether Long misused government vehicles and personnel for his six-hour drives between his home in North Carolina and FEMA headquarters in Washington, DC, Politico first reported on Thursday

Long is driven seven days a week and 24 hours a day -- so any of his movements are in government vehicles. This would also include travel to his home in Hickory, North Carolina.

Long said at a press conference Thursday morning that he will "fully cooperate" in an investigation into his alleged misuse of government resources for travel, an issue that has roiled several other former Trump Cabinet secretaries.

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