Report: Graham’s Possible Cause of

Photographs reviewed by NBC News show paramedics transporting an individual on a stretcher from the home to a waiting ambulance.

Police vehicles and fire trucks were also present at the scene.

Graham was serving as chairman of the Senate Budget Committee and was running for a fifth six-year term in the Senate this November.

One of the chamber’s most recognizable members, he was a leading voice within his party on defense and foreign policy issues.