The incident took place in August, just before the start of the season, when a number of the London club's squad members enjoyed a night out at Tape Club.
An Arsenal spokesman said that the players will be "reminded of their responsibilities as representatives of the club".
Apple Watch Electrocardiogram App and Irregular Heart Rhythm Notifications Available Today
You must have the Watch placed on its charger, connected to Wi-Fi or LTE, with at least 50-percent battery to download the update. It would alert the user with a notification if it detects an irregular rhythm on five rhythm checks over a minimum of 65 minutes.
Karnataka lake drained in fear of HIV virus
There is no other way. "We still have to drain water from 60% of the lake and need at least five days to empty it", he said. Afraid they would contract HIV/AIDS, villagers informed authorities they would not use it till fresh water was filled.
BT bans Huawei from 5G core
However, BT's spokesperson insists the moves to exclude Huawei are not a knee-jerk reaction to the latest developments. A spokesman said: " Huawei has been working with BT for nearly 15 years".
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.
Other players such as Raheem Sterling and Kyle Walker have been seen using the gas in the past, with the City fullback apologising for using the substance back in 2013.
Pierre-Emerick Aubameyang's arrival in January appeared to jeopardise his Arsenal career before it had even truly begun, but the pair have dovetailed superbly in Unai Emery's new-look side.
Arsenal, under new manager Unai Emery, are now fifth in the Premier League table and are unbeaten in 20 consecutive matches in all competitions.