Republican U.S. presidential nominee Donald Trump shakes hands with Democratic U.S. presidential nominee Hillary Clinton at the conclusion of their first presidential debate at Hofstra University in Hempstead, New York, U.S., September 26, 2016. [Reuters]
Donald Trump on Thursday sued his rival in the 2016 U.S. presidential election, Hillary Clinton, and several other Democrats, alleging that they tried to rig that election by tying his campaign to Russia.