Pierre-Emerick Aubameyang saw a last-gasp penalty saved as Arsenal drew 1-1 against Tottenham to leave Spurs four points ahead of their north London rivals in the top-four race
Aaron Ramsey, playing in his final north London derby before leaving to join Juventus in the summer, finished on the counter-attack after 16 minutes to put the Gunners ahead
Spurs levelled from the penalty spot in the 74th minute through Harry Kane after he had been barged over by Shkodran Mustafi
Arsenal might have been aggrieved as Kane was offside before he was fouled, but they spurned the chance to snatch victory when Lloris saved Aubameyang's penalty in the 89th minute and Jan Vertonghen blocked the follow-up shot on the line
Lucas Torreira was then shown a straight red card in injury-time for a foul on Danny Rose
The result maintains Tottenham's four-point advantage over Arsenal in the Premier League, but Manchester United moved above Arsenal into fourth with victory over Southampton, while Chelsea face Fulham on Sunday, live on 
Spurs, though, should feel they escaped with a point after they looked to be heading for a third straight defeat following a largely flat display
While there was surprise at Arsenal's team selection, the visitors started better and Alexandre Lacazette spurned a glorious chance inside the opening two minutes when he scuffed a volley wide after the ball deflected to him kindly in the box
But Arsenal did take the lead in the 16th minute after catching Tottenham on the break
 Lacazette collected the ball on halfway and played through for Ramsey, who was all alone in the Spurs half and coolly finished by taking the ball around Hugo Lloris and then tapping into the empty net
Spurs struggled for a response against a compact Arsenal defence
Harry Kane had a goal disallowed for offside but otherwise the hosts enjoyed plenty of possession without seriously threatening until late in the half when Bernd Leno made a stunning double save to deny Christian Eriksen at point-blank range and then tip over the follow-up shot from Moussa Sissoko
Spurs still looked subdued at the start of the second half and could have fallen further behind as Lacazette sliced wide from 12 yards out
Toby Alderweireld volleyed into the side-netting from a free-kick but, just as Spurs' hopes looked to be fading, they won a penalty when Mustafi barged Kane in the back
Kane, who was offside when the free-kick was curled into the box, converted from the spot
There was more drama to follow as Davinson Sanchez fouled Aubameyang in the box in the 89th minute and the referee pointed to the spot
Aubameyang saw his penalty saved and Vertonghen blocked his follow-up attempt on the line, before Torreira was sent off in injury-time for catching Rose late
"It was a fantastic game, exciting game with great atmosphere with two teams that wanted to play and win the game
 If we assess the game I think we were better than Arsenal in all the aspects
 Our performance was not great, but it was really good to draw and maybe deserve to win
" "I am proud of the players and their work
 You can win, lose or draw, like we did, but above all this we played like a team and fought together
 The adaption to the match was good and our moments in 90 minutes were strong, we could have won this match
"The Arsenal centre-back produced an assured display and kept Harry Kane quiet for most of the match
 He made a key intervention in the first half to prevent Kane finishing from close range and played an important role in keeping Spurs at bay
Tottenham face Borussia Dortmund in the second leg of their Champions League last-16 tie on Tuesday, leading 3-0 from the first leg at Wembley
 Spurs travel to Southampton in the Premier League next Saturday
Arsenal travel to Rennes for the first leg of their Europa League last-16 clash on Thursday before hosting Manchester United in the Premier League on Sunday, live on 
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