Southport'sTommy Fleetwood is one shot off Brian Harman's lead going into Sunday's final round of the US Open.

Fleetwood shot a four-under-par 68 to keep pace with fellow overnight leader Brooks Koepka at Erin Hills, while Harman carded a 67 to lead on 12 under.

Paul Casey, who also started on seven under, fell away with a three-over 75.

Justin Thomas is tied for second after becoming the first man to shoot a nine-under-par round at the US Open and the fifth 63 in its 117-year history.

Rickie Fowler, who led after round one, had a run of three successive birdies from the 14th as he shot a four-under 68 to get to 10 under and just two off the lead.

South Korea's 21-year-old Kim Si-woo, who became the youngest winner of the Players Championship in May, also shot a 68 and is one further back.

Masters champion Sergio Garcia is in a group of nine players on four under after he posted a one-under 71.

Tees off 8-43 tonight