The club got off to a slow start to the season, losing to both Manchester City and Chelsea in August, but have since gone on a 20-game unbeaten run which included a 4-2 victory over North London rivals Tottenham.
Ozil is seen falling semi-conscious as he inhales from the balloon, while the same can be said for Lacazette, who is videoed putting his head back on the sofa.
And words have come out from the Emirates on the matter, releasing a brief statement that they will be speak to the players involved.
An Arsenal spokesperson told the BBC players would be "spoken to and reminded of their responsibilities".
ECG app coming to Apple Watch Series 4 today In order to take an ECG, users just need to place their finger on the digital crown and rest will be done by the Watch. Tim Cook said in an interview today that improving people's health will be Apple's greatest contribution to mankind .
The Sun reported that boxes of "laughing gas" canisters were brought to the players' area of the club and that footage showed Özil, Aubameyang, Guendouzi and Lacazette inhaling the gas.
"If their fans - and their coach - could have seen what was going on they'd have been horrified".
The footage is the latest in a series of incidents of top players being linked with nitrous oxide, with Raheem Sterling being warned by Liverpool after footage emerged of him using the substance in 2015.
Arsenal, under new manager Unai Emery, are now fifth in the Premier League table and are unbeaten in 20 consecutive matches in all competitions.
The Houthis had required the travel before their delegation leaving for Sweden to participate in the peace talks. Iranian Foreign Minister Mohammad Javad Zarif expressed his support for the talks in a tweet on Monday.
That decision - whether to join or withdraw from this kind of litigation - has been one for the attorney general and governor. Last night, that legislature voted to not just limit Democrats' power, but to actually make it harder for people to even vote.
For the past few weeks the Phillies and their future could not be discussed without mentioning Bryce Harper and Manny Machado . The Philadelphia Phillies have made a trade with the Seattle Mariners to acquire All-Star shortstop Jean Segura .
It is reported by Roscosmos on Monday, December 3, reports the Chronicle.info with reference to the Correspondent. That triggered the Soyuz spacecraft's launch abort system, sending the spacecraft away from the damaged rocket.
Had a string of 194 passes without an interception starting in the third quarter of January's title game with Georgia. Tagovailoa received 13 first-place votes (117 points) and Haskins was listed first on four ballots (55 points).
Germany's Christian Democratic Union is meeting to elect a new party leader - to succeed Chancellor Angela Merkel . She was greeted by a several-minute standing ovation, with some delegates holding up 'Thank you, boss!' placards.
Former Cubs infielder Luis Valbuena was killed in an auto accident Thursday night in his native Venezuela. Valbuena was now a free agent, but he spent his last two seasons with the Los Angeles Angels .
Soon, Democrats may have one of those send-them-to-Gimbels/send-them-to-Macy's moment on their hands just in time for Christmas. If she pays her interns 15 an hour, she'll make it around two-and-a-half months before she's out of money.
A bomb squad was on standby outside the building as police officers search the offices, a law enforcement source said. But police later said there was no evidence of any explosives inside the building, the station reported .
That was just one of the technique, they had several other methods and did them without obtaining the user consent. Cheetah Mobile's file manager had more than 50 million downloads , and the keyboard was north of 100 million.
Pakistan slip to 7th after series loss to New Zealand
The victory gave New Zealand a 2-1 series win after they had taken the first Test by a narrow four-run margin at the same venue. The pair's 201-run partnership for the fourth wicket ended when Azhar became off-spinner Somerville's first test victim.
Trump says he'll nominate Barr for attorney general
Barr later worked as a corporate general counsel and is now of counsel at a prominent global law firm, Kirkland & Ellis LLP. A well-known conservative lawyer, Mr Barr held the role under President George H W Bush from 1991 to 1993.