Sen.

Lindsey Graham (R-S.C.) died suddenly Saturday night, creating an unexpected vacancy as he campaigned for a fifth term and temporarily narrowing President Donald Trump’s already fragile Senate majority.

Graham Vacancy Sets Special Primary Timeline Graham died from an aortic dissection caused by arteriosclerotic cardiovascular disease, according to a preliminary medical examiner finding released by his office.

The 71-year-old won the Republican primary last month and was the heavy favorite against Democrat Annie Andrews in conservative South Carolina.

The Washington Post reported on Sunday that the filing period to replace him opens July 21 and closes July 28.