Australia and England have drawn the second Ashes test at Lord's, where the tourists batted out 47.3 overs on day five.
Concussion substitute Marnus Labuschagne, who claimed Steve Smith's place in the XI, scored 59 from 100 balls as Australia finished 154/6 after being set a target of 267.
Vice-captains Travis Head and Pat Cummins soaked up immense pressure, surviving almost half an hour in fading light to ensure Australia take a 1-0 series lead to Leeds.
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Head's unbeaten 42 from 90 deliveries was a crucial piece of the stonewall, while England were left to lament simple mistakes.
There was no shortage of tension at the home of cricket, where Jofra Archer threat ened to bounce England to victory on debut but was then denied two final overs because of bad light.
Joe Root claimed a low catch to dismiss Labuschagne, with former England captain Michael Vaughan among those suggesting the third umpire's verdict was wrong.
Root and Labuschagne exchanged words after the wicket at 6.38pm (local time), with the former holding up his finger to signal out and the latter shaking his head as he trudged off.
Left-arm spinner Jack Leach removed Labuschagne and Matthew Wade with consecutive balls to give England a sniff, while Tim Paine departed after Joe Denly plucked a one-handed screamer.
Archer made life hell for batsmen for a second day straight, and the contest continued to ebb and flow as Leach attacked the rough from the Nursery End.
However, England ran out of time, and the rivals battled to their first draw at Lord's since 1997.
The five-test series continues on Thursday, when Smith is fully expected to be an enforced omission because of the frightening bouncer blow to the neck that Archer inflicted on day four.
The International Cricket Council introduced concussion subs at the highest level at the start of this Ashes.
That law came into action when Smith woke up with a delayed concussion and was withdrawn from the contest.
Rules dictate the substitute must be a like-for-like replacement, prompting the obvious joke that Don Bradman would be the only viable option for the visitors.
But Labuschagne, on Ashes debut and clattered on the grille by a nasty bouncer from Archer early on, stood up in Australia's hour of need.
The first delivery faced by Labuschagne, summoned to the middle after Archer blasted out David Warner and Usman Khawaja to reduce Australia to 19/2, was called wide as a bumper flew over his head.
The next ball reared up and struck him on the helmet, prompting Australia's team doctor Richard Saw to rush out and assess his jaw and cognitive state.
England declared midway through the post-lunch session at 257/5, thanks largely to man of the match Ben Stokes' 115 not out.