Lewis Hamilton turned in a commanding display to win the United States Grand Prix and complete the first leg of what would be a remarkable fightback in the Formula One world championship race.
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Hamilton, who started from pole position, led virtually every lap here in Austin to record his 50th career victory and move to within 26 points of Mercedes team-mate Nico Rosberg.
Rosberg spent much of the race behind Daniel Ricciardo, but finished in second place after he leapfrogged the Red Bull driver during his second pit-stop.
Despite Hamilton claiming his first win since July's German Grand Prix, the championship battle remains firmly in Rosberg's hands with only three rounds remaining.
The defending champion now has 305 points and is 26 behind his Mercedes team-mate Rosberg with just the races in Mexico, Brazil and Abu Dhabi remaining.
Hamilton's championship defence has been plagued by mechanical woes and slow starts, but perhaps, inspired by the presence of astronaut Tim Peake here on Sunday, the Briton got the perfect lift-off.
Hamilton blasted up to turn one - comfortably keeping Rosberg at bay - and from there he never looked back. Of his seven wins this season, none will have been more straightforward. Hamilton, who spends much of his free time in America, has now won across the pond on an impressive five occasions.
While it was a Sunday cruise for Hamilton, the same could not be said for Rosberg who was passed by Ricciardo at turn one on the opening lap.
It remained that way until lap 31 when Ricciardo's Red Bull team-mate Max Verstappen was forced to park his car after suffering a terminal engine failure.
With his Red Bull adjudged to be in a dangerous position on the race track, the virtual safety car was deployed to slow down the field. Both leader Hamilton, and his Mercedes team-mate Rosberg, dived into the pits for a set of new tyres, and Rosberg emerged ahead of Ricciardo much to the Australian's frustration.
"So they got a free pit-stop basically?" Ricciardo asked his Red Bull pit wall. "Yes mate, that is correct," came the response. "That is so f*****," Ricciardo replied.
With Ricciardo now out of the way, Rosberg lay in second, but the German was unable to do anything about the gap to his dominant team-mate.
Indeed Hamilton crossed the line nearly five seconds clear of Rosberg, lapping the entire field up to seventh.
In a race of little incident, Sebastian Vettel finished fourth while his Ferrari team-mate Kimi Raikkonen retired after he was released from his third pit-stop with the wheel gun still attached.
Raikkonen was left stranded at the end of the uphill pit lane at the Circuit of the Americas before coolly free-wheeling his Ferrari back into the pits.
Fernando Alonso fought his way past his compatriot Carlos Sainz on the penultimate lap to take fifth. "Yee-haw," the McLaren driver yelled after he made his move. Felipe Massa finished in seventh for Williams.
Jenson Button, who made up an impressive nine places on the opening lap after starting a lowly 19th, finished in the points in ninth. British rookie Jolyon Palmer crossed the line in 13th.
"This has always been a good hunting ground for me," said Hamilton. "I love being here in the States. It very much feels like home. The team did a great job to put us both up here and I feel proud to be a part of it."
Rosberg, who can afford to finish second at the three remaining races and still win the title, added: "I gave it everything to come back. Second is okay.
"It was damage limitation today. I wanted to win in America, but it wasn't to be. I was going for it flat out all the way to the end."
The podium interviews were conducted by Scottish actor Gerard Butler, and Ricciardo challenged the Scottish actor to drink Red Bull out of his sweaty race boot.
"So, I hear Mr Butler does not drink alcohol, but I believe he is going to drink some Red Bull out of my shoe, right now," Ricciardo said, pouring the energy drink into his boot.
"You have got to be kidding me," Butler said before duly obliging.
"I hate you," he added.
US GP Race Result & Updated Standings
1 Lewis Hamilton (Gbr) Mercedes GP 1hr 38mins 12.618secs
2 Nico Rosberg (Ger) Mercedes GP 1:38:17.138
3 Daniel Ricciardo (Aus) Red Bull 1:38:32.310
4 Sebastian Vettel (Ger) Ferrari 1:38:55.752
5 Fernando Alonso (Spa) McLaren 1:39:46.571
6 Carlos Sainz (Spa) Scuderia Toro Rosso 1:39:48.742
7 Felipe Massa (Bra) Williams at 1 Lap
8 Sergio Perez (Mex) Force India at 1 Lap
9 Jenson Button (Gbr) McLaren at 1 Lap
10 Romain Grosjean (Fra) Haas F1 at 1 Lap
11 Kevin Magnussen (Den) Renault at 1 Lap
12 Daniil Kvyat (Rus) Scuderia Toro Rosso at 1 Lap
13 Jolyon Palmer (Gbr) Renault at 1 Lap
14 Marcus Ericsson (Swe) Sauber-Ferrari at 1 Lap
15 Felipe Nasr (Bra) Sauber-Ferrari at 1 Lap
16 Valtteri Bottas (Fin) Williams at 1 Lap
17 Pascal Wehrlein (Ger) Manor Racing at 1 Lap
18 Esteban Ocon (Fra) Manor Racing at 2 Laps
19 Kimi Raikkonen (Fin) Ferrari 38 Laps completed
20 Max Verstappen (Ned) Red Bull 28 Laps completed
21 Esteban Gutierrez (Mex) Haas F1 16 Laps completed
22 Nico Hulkenberg (Ger) Force India 1 Laps completed
Sebastian Vettel 1min 39.877secs on Lap 55
World Championship Standings
1 Nico Rosberg (Ger) Mercedes GP 331pts
2 Lewis Hamilton (Gbr) Mercedes GP 305
3 Daniel Ricciardo (Aus) Red Bull 227
4 Sebastian Vettel (Ger) Ferrari 177
5 Kimi Raikkonen (Fin) Ferrari 170
6 Max Verstappen (Ned) Red Bull 165
7 Sergio Perez (Mex) Force India 84
8 Valtteri Bottas (Fin) Williams 81
9 Nico Hulkenberg (Ger) Force India 54
10 Fernando Alonso (Spa) McLaren 52
11 Felipe Massa (Bra) Williams 49
12 Carlos Sainz (Spa) Scuderia Toro Rosso 38
13 Romain Grosjean (Fra) Haas F1 29
14 Daniil Kvyat (Rus) Scuderia Toro Rosso 25
15 Jenson Button (Gbr) McLaren 21
16 Kevin Magnussen (Den) Renault 7
17 Jolyon Palmer (Gbr) Renault 1
18 Pascal Wehrlein (Ger) Manor Racing 1
19 Stoffel Vandoorne (Bel) McLaren 1
20 Esteban Gutierrez (Mex) Haas F1 0
21 Marcus Ericsson (Swe) Sauber-Ferrari 0
22 Felipe Nasr (Bra) Sauber-Ferrari 0
23 Rio Haryanto (Ina) Manor Racing 0
24 Esteban Ocon (Fra) Manor Racing 0
1 Mercedes GP 636pts
2 Red Bull 400
3 Ferrari 347
4 Force India 138
5 Williams 130
6 McLaren 74
7 Scuderia Toro Rosso 55
8 Haas F1 29
9 Renault 8
10 Manor Racing 1
11 Sauber-Ferrari 0