Bottom club Sheffield United suffered a demoralising home defeat as Luton Town snatched victory in an extraordinary Premier League game at Bramall Lane.
A howler by Wes Foderingham gifted Luton the lead when Alfie Doughty's 17th-minute attempt slipped through the keeper's legs and into the net.
The Blades thought they had turned it around after the interval, Oli McBurnie equalising after Sam Allison - the first black referee to take charge of an English top-flight match for 15 years - played a smart advantage when James McAtee appeared to have been fouled.
With fellow strugglers Nottingham Forest winning earlier at Newcastle, the Blades - who are at Manchester City on Saturday (15:00 GMT) - needed all three points and captain Anel Ahmedhodzic fired them in front from close range after Luton failed to clear.
But two own goals in the space of four minutes - first a flicked header by Jack Robinson and then by substitute Anis Ben Slimane - allowed Luton to seal back-to-back Premier League wins after their 1-0 victory over Newcastle last Saturday.
Reaction from Sheffield United v Luton Town, plus Tuesday's Premier League latestMore to follow.
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Sheffield United
Squad number18Player nameFoderingham
Squad number2Player nameBaldock
Squad number15Player nameAhmedhodzic
Squad number19Player nameRobinson
Squad number5Player nameTrusty
Squad number28Player nameMcAtee
Squad number21Player nameVinicius Souza
Squad number35Player nameBrooks
Squad number8Player nameHamer
Squad number9Player nameMcBurnie
Squad number10Player nameArcher
Squad number3Player nameLowe
Squad number7Player nameBrewster
Squad number16Player nameNorwood
Squad number25Player nameBen Slimane
Squad number32Player nameOsula
Luton Town
Squad number24Player nameKaminski
Squad number15Player nameMengi
Squad number2Player nameOsho
Squad number29Player nameBell
Squad number45Player nameDoughty
Squad number28Player nameSambi Lokonga
Squad number6Player nameBarkley
Squad number26Player nameGiles
Squad number30Player nameTownsend
Squad number19Player nameBrown
Squad number11Player nameAdebayo
Squad number5Player nameAndersen
Squad number7Player nameOgbene
Squad number9Player nameMorris
Squad number17Player nameMpanzu
Line-ups
Sheff Utd
Formation 4-4-2
18Foderingham2BaldockBooked at 78mins15AhmedhodzicBooked at 14mins19RobinsonBooked at 79minsSubstituted forBrewsterat 86'minutes5Trusty28McAtee21de Souza CostaSubstituted forNorwoodat 86'minutesBooked at 90mins35BrooksSubstituted forLoweat 45'minutes8HamerBooked at 41minsSubstituted forBen Slimaneat 72'minutes9McBurnie10ArcherSubstituted forOsulaat 86'minutesSubstitutes
1Davies3Lowe7Brewster16Norwood23Osborn25Ben Slimane32Osula33Norrington-Davies38SerikiLuton
Formation 3-4-2-1
24Kaminski15Mengi2Osho29Bell45DoughtySubstituted forAndersenat 78'minutes28Sambi Lokonga6Barkley26GilesSubstituted forOgbeneat 72'minutes30TownsendSubstituted forMpanzuat 84'minutes19Brown11AdebayoSubstituted forMorrisat 71'minutesSubstitutes
1Shea5Andersen7Ogbene8Berry9Morris10Woodrow14Chong17Mpanzu23KrulReferee:Sam Allison
Attendance:31,041
Live Text
Match ends, Sheffield United 2, Luton Town 3.
Second Half ends, Sheffield United 2, Luton Town 3.
Attempt missed. Auston Trusty (Sheffield United) left footed shot from the centre of the box is high and wide to the left following a set piece situation.
William Osula (Sheffield United) wins a free kick on the right wing.
Foul by Amari'i Bell (Luton Town).
Foul by Oliver Norwood (Sheffield United).
Pelly Ruddock Mpanzu (Luton Town) wins a free kick in the attacking half.
George Baldock (Sheffield United) wins a free kick in the defensive half.
Foul by Carlton Morris (Luton Town).
Foul by Auston Trusty (Sheffield United).
Jacob Brown (Luton Town) wins a free kick in the defensive half.
Attempt missed. Anel Ahmedhodzic (Sheffield United) right footed shot from outside the box misses to the left.
Oliver Norwood (Sheffield United) is shown the yellow card for a bad foul.
Foul by Oliver Norwood (Sheffield United).
Pelly Ruddock Mpanzu (Luton Town) wins a free kick in the defensive half.
Corner, Sheffield United. Conceded by Teden Mengi.
Attempt missed. Anis Ben Slimane (Sheffield United) right footed shot from the right side of the box is too high. Assisted by George Baldock following a set piece situation.
Foul by Teden Mengi (Luton Town).
Oliver McBurnie (Sheffield United) wins a free kick on the left wing.
Foul by Jacob Brown (Luton Town).