LAS VEGAS (AP) — Billionaire casino mogul and Republican mega-donor Sheldon Adelson has died.

Las Vegas Sands announced Tuesday that Adelson died of complications related to treatment for non-Hodgkin’s lymphoma.

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He was 87. Adelson was the son of Jewish immigrants and was raised with two siblings in a Boston tenement.

Over the second half of his life he became one of the world’s richest men, with a casino empire that stretched from Las Vegas to China.

He also became a singular force in domestic and international politics.

He was considered the nation’s most influential GOP donor over the final years of his life, setting records for individual contributions.

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