Valtteri Bottas has led title-chasing team mate Lewis Hamilton in a dominant Mercedes one-two in the first US Grand Prix practice

Red Bull's championship leader Max Verstappen was third, nearly a second off the pace.

Bottas, who will serve a five-place grid drop following another engine change, ended the one-hour running at a sizzling Austin just zer-point-zero-four-five seconds ahead of Hamilton.

MOTORSPORT WITH CRC FIVE FIVE SIX. MADE RIGHT HERE IN NEW ZEALAND.