Mitt Romney has won the safe Republican state of Idaho (4 electoral college votes), NBC News projects.
The state has not voted Democrat since 1964.
More top news
So-called Islamic State fighters have re-entered the historic city of Palmyra in central Syria, activists say.
The driver stopped at the scene and the boy was taken to hospital, but he died on the way.
Sunday Times restaurant critic AA Gill has died at the age of 62, three weeks after revealing he had cancer.