BREAKING: KRISTI NOEM HOSPITALIZED; REASON UNKNOWN.

Homeland Security Secretary Kristi Noem was transported by ambulance on Tuesday to a hospital in Washington, DC, two sources familiar with the matter told CNN.

BREAKING: DHS Secretary Kristi Noem taken to the hospital in an ambulance

Noem has been conscious at the hospital and has spoken with her security detail, one of the sources caid..