Donald Trump won Arizona, the final state to be called in the US presidential election, marking a clean sweep of all seven battleground states.

Renewable-energy stocks have tumbled since Trump won the election as markets eye the potential for the president-elect to roll back green-energy policies.

The vote, in a sunny state with huge solar potential, reflects a growing nationwide fight over America’s energy transition.

As counting continues, the president-elect's party is just three seats short of a majority in the House of Representatives