Petr Cech helped the Gunners enjoy a rare victory over Jose Mourinho's side on Sunday.
IMAGES from the Premier League matches played on Saturday.
Substitute Gabriel Martinelli fired a last-gasp winner to earn Arsenal a 1-0 victory over Manchester City on Sunday.
Arsenal struck two late goals to escape with a point in a pulsating 3-3 home draw with bottom club Southampton but their Premier League title hopes suffered another setback on a Friday night of frazzled nerves in north London.
Cristiano Ronaldo passed the 800-goal mark for club and country, scoring twice as Manchester United beat Arsenal 3-2 in an incident-packed Premier League match on Thursday.
Manchester City have one just victory from their last 10 games across all competitions.
Roberto Firmino's 90th-minute header sent Liverpool back to the top of the Premier League with a 2-1 victory over Tottenham Hotspur, whose 11-match unbeaten run came to an end on Wednesday.
Kane's diving header made it 2-0 in the 37th minute to send Tottenham's fans into delirium.
News of all that's transpired on and off the football field
While the whole world grapples to contain the spread of the coronavirus outbreak, the sporting world has been brought to a complete standstill. A lot of top sportsperson around the world have also tested positive for COVID-19 as major events like Tokyo Olympics, Formula One, Indian Premier League and the top football leagues in Europe all face long-term suspension.
Images from the Premier League matches played on Tuesday.
IMAGES from the English Premier League matches played on Wednesday.
FA Cup winners Arsenal beat champions Chelsea 1-0 in England's Community Shield season curtain-raiser at Wembley on Sunday to end a long wait for victory over their London rivals.
Manchester United climbed to third place in their quest for a berth in next season's Champions League.
Arsenal had more than twice as many chances but failed to take any as the visitors defended gamely.
Real Madrid fought back from two goals down as Vinicius Jr grabbed a hat-trick in a thrilling 5-2 win over visitors Borussia Dortmund in the Champions League.
IMAGES from the Premier League matches played on Saturday
Arsenal manager Arsene Wenger has confirmed that Mesut Ozil faces around six weeks out with a knee ligament injury, a problem that was only discovered when the midfielder joined up with the Germany squad for international duty last week.
Tuchel said he hoped left back Ben Chilwell will not require surgery and that the club will wait to see how the situation develops before deciding if they need cover for the position.
Ronaldo back for Man Utd but injured Shaw faces weeks out
aka was excellent in the opening minutes and it was his cross that was headed into the net by Martinelli for the opener, but he went down injured shortly afterwards after a challenge from Forest's Renan Lodi. Saka tried to continue but came off after 27 minutes.
Manchester United returned to winning ways in ruthlessly emphatic fashion
IMAGES from the Premier League matches played across England, on Saturday.
A summary of Saturday's action in the Premier League.
As the Premier League resumes following the international break all eyes will be on Cristiano Ronaldo's homecoming party at Old Trafford on Saturday, with the Portuguese international set to resume his Manchester United career after 12 years away.
Barcelona made a disappointing start to their Champions League campaign by losing 2-1 to AS Monaco on Thursday.
West Brom, relegated from the Premier League last season, made 11 changes from the side that won at the weekend in the Championship and had five players -- including goalkeeper Alex Palmer -- making their debuts.
Arsenal have a strong enough squad to challenge for a first Premier League title since 2004.
News of all that's transpired on and off the football field.
Jarrod Bowen and Mohammed Kudus' second-half goals gave West Ham a 2-0 win over Manchester United in the Premier League's early game on Saturday, as the Hammers briefly moved into the top six.
Manchester City moved 11 points clear at the top of the English Premier League after a last-gasp goal from Rodri gave them a 2-1 victory at fourth-placed Arsenal on Saturday in a controversy packed game at the Emirates stadium.
Defeats at Manchester City and Brighton & Hove Albion had left Arsenal down in 11th place but their victory on the south coast lifted them to ninth with 43 points from 31 games -- eight behind fourth-placed Chelsea who were playing City later.
IMAGES from Saturday's action in the English Premier League.
A round-up of Sunday's action in the Premier League.
Arsenal's record signing Mesut Ozil has not got over his penalty miss in the Champions League loss to Bayern Munich, manager Arsene Wenger said before backing his side to bounce back strongly against Sunderland on Saturday.
Luis Suarez struck a clinical hat-trick as Liverpool thrashed West Bromwich Albion 4-1 at Anfield to keep pace with Premier League leaders Arsenal on Saturday.
Arsenal ended their seven match winless run in the Premier League with a surprise 3-1 London derby victory over Chelsea at the Emirates Stadium on Saturday while Manchester United were held to a 2-2 draw at Leicester City.
Liverpool frustrated by 10-man Arsenal in League Cup semi stalemate
Champions Liverpool are five points clear at the top of the Premier League after a 7-0 away hammering of Crystal Palace while Arsenal's troubles continued with a 2-1 defeat at second-placed Everton on Saturday.
Manchester City were confirmed as English Premier League champions for the fifth time in six seasons on Saturday without even having to kick a ball.