Sheldon Adelson, pictured, is asking Republican Jewish leaders to support Donald Trump. Photo: Courtesy Sheldon Adelson.

Billionaire casino executive Sheldon Adelson is already at work on behalf of presumptive Republican presidential nominee Donald Trump.

“I’m asking for your support” for Trump, Adelson wrote in an email Monday to more than 50 Republican Jewish leaders. Adelson told them he had met with Trump recently and is “specifically convinced he will be a tremendous president when it comes to the safety and security of Israel.”

Read full story at The Associated Press.