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Add in being an unbeaten rookie in Luke Donald's European Ryder Cup team in Rome two years ago, and his CV is enviable.

Not just because the business concerned is American, but due to the fact its founder is Jared Kushner, best-known as Donald Trump's son-in-law.

Before he became US president in 2016, Donald Trump himself expressed interest in building a hotel on the site.

And Donald Trump Jr has since made follow up visits to Belgrade after Affinity Global announced that a Trump International Hotel would form part of the development.

Questions have been raised about the Trumps making commercial deals while Donald Trump is in the White House but his press secretary has rejected any suggestion he is profiting from the presidency.