Serbian

Organisers say Serbian authorities have cut off government funding for the event and some sponsors have been "forced to withdraw under state pressure".

While these has now been a major twist in the tale that puts the scheme in some doubt, the Serbian government's decision to strike the deal wasn't too surprising.

The two men remain in Serbia and the US is co-ordinating with Serbian officials regarding their pending extraditions.

In the men's competition, British number three Norrie was defeated by Serbian Dusan Lajovic in the qualifying round on Tuesday, but he received a spot in the main draw as a lucky loser.

A plane carrying Serbian President Aleksandar Vucic to Moscow had to make a brief emergency stop in Baku in Azerbaijan, because of drone attacks across Russia, according to local reports.