Who is Sergio Gor, and what signal does his nomination as ambassador to India send? When is he likely to arrive in India? We explain, in four points.

US President Donald Trump said on Friday he nominated one of his closest aides, Sergio Gor, to be the next US ambassador to India. Sergio Gor, who is currently the director of the White House Presidential Personnel Office, would also serve as a special envoy for South and Central Asian affairs.