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Leaders Leicester City drew at home to West Bromwich Albion in the Premier League, while Chelsea triumphed at Norwich City.
Elsewhere, Sunderland and Crystal Palace shared the spoils, Aston Villa lost to Everton, and Bournemouth beat Southampton.
Leicester were held to a 2-2 draw by West Brom at the King Power Stadium.
Claudio Ranieri's side will lose first place should Tottenham Hotspur win away to West Ham United on Wednesday night.
The Baggies took the lead against the run of play in the 11th minute, as Salomon Rondon used fine pace and power to get the better of Robert Huth and slip a finish under Kasper Schmeichel.
Leicester netted a leveller on the half-hour that their attacking play deserved, although it arrived in a fortunate fashion, as Danny Drinkwater took Marc Albrighton's pass and scored with a long-range strike via a huge deflection off Jonas Olsson.
Jamie Vardy headed off the crossbar as the Foxes continued to press, and Leicester grabbed the lead before the break thanks to Albrighton's fine delivery, Riyad Mahrez's deft touch and Andy King's composed finish.
Craig Gardner, however, levelled matters with a fine free-kick five minutes into the second half, following a hand-ball from Mahrez.
The Foxes placed West Brom under massive pressure, with Shinji Okazaki heading off the crossbar, in the wake of the visitors' leveller.
Although occasionally threatened at the back, the hosts continued to lay siege to the Baggies' goal for most of the remainder of the game, but could not force the winner.
Leicester have now played a game more than the two North London giants, sitting three points ahead of Spurs and six in front of Arsenal, while the draw leaves West Brom eight points clear of the drop zone.
Relegation-threatened Norwich fell to a 2-1 defeat to Chelsea at Carrow Road.
Chelsea took the lead with less than 40 seconds having passed, as Kenedy received Eden Hazard's pass, cut inside and shifted the ball onto his left foot to finish from the edge of the box.
The Blues looked likely to double their advantage for much of the first half, eventually doing so on just prior to the interval through Diego Costa, who chipped John Ruddy from Bertrand Traore's through-ball. The Spaniard, however, ought to have been flagged for offside.
Cameron Jerome missed a superb opportunity to reduce the deficit early in the second half but Nathan Redmond cut the arrears with a quarter of the clash remaining by taking down Wes Hoolahan's excellent pass and driving an angled effort past Thibaut Courtois.
Redmond and substitute Gary O'Neil went close as Norwich pushed late on but Alex Neil's men were unable to force a point that would have prevented them from falling into the relegation zone.
The steadily resurgent Chelsea climbed to eighth place with the triumph.
Substitute Fabio Borini's late goal earned Sunderland a 2-2 draw with Crystal Palace that lifts the Black Cats out of the bottom three.
Following a relatively even opening third of the clash, Jermain Defoe set up Dame N'Doye to give Sunderland the lead with a 25-yard strike that found the net thanks largely to a very significant deflection off Scott Dann.
The Black Cats ought to have been two up at the break but Younes Kaboul, having earlier replaced the injured John O'Shea, headed over a fine chance from six yards.
Connor Wickham rattled a right-footed drive in off the post to level the encounter, following neat work from Wilfried Zaha and Yannick Bolasie, before the former Sunderland striker smashed home a left-footed volley after Dann had met Yohan Cabaye's corner kick.
The hosts did not look likely to rescue a point but Borini beat Wayne Hennessey from an extremely tight angle in the final minute of normal time to drag Sam Allardyce's side up to 17th.
Aston Villa lost 3-1 at home to Everton, remaining eight points adrift at the foot of the table.
Roberto Martinez's men grabbed an early lead through Ramiro Funes Mori, who rose unchallenged to head home a Kevin Mirallas corner kick.
Villa responded relatively well to going beyond but were hit on the counterattack, with Ross Barkley's pass allowing Mirallas to provide a low cross for Aaron Lennon to finish calmly.
The Toffees effectively wrapped up the points on the hour, as Romelu Lukaku forced in Funes Mori's cross from close range.
Many of Villa's fans had departed the ground long before those that remained saw a home goal, scored by Rudy Gestede, who powered in a header from Jordan Veretout's centre.
The goal was never likely to spark a full revival from the apparent relegation certainties, though, and Everton eased to a victory that takes them into the top half.
Bournemouth beat Southampton 2-0 in a derby clash on the south coast.
Both sides missed decent opportunities during the opening exchanges, with the Saints edging matters.
It was Bournemouth, though, who grabbed the lead just after the half-hour, as Steve Cook scissor-kicked home a loose ball when Forster Forster failed to deal effectively with a free-kick from Matt Ritchie.
The beginning of the second half was delayed due to fourth official Kevin Friend banging his head in the touchline area at the end of the first period, resulting in him being taken to hospital.
Friend's injury was, unfortunately, to be as eventful as the game got until Benik Afobe doubled the Cherries' advantage with a back-post header from another Ritchie free.
The win both significantly eases Bournemouth's relegation fears and dents the Saints' hopes of securing European football for next season.