Senator Lindsey Graham mourned by leaders, plus, a preliminary report on his death is released

Preliminary findings from the Medical Examiner of the District of Columbia said the senator died from an “aortic dissection due to arteriosclerotic cardiovascular disease."

ABC NEWS–Today tributes are pouring in over the death of South Carolina’s U.S. Senator Lindsey Graham.

Senator Lindsey Graham’s family announced over the weekend that the 71-year-old lawmaker died from “a brief and sudden illness.”

On Sunday, preliminary findings from the Medical Examiner of the District of Columbia said the senator died from an “aortic dissection due to arteriosclerotic cardiovascular disease.”

ABC’S Sophie Flay has more on his cause of death from a preliminary report.