The Frenchman was expected to be part of the squad flying to the United States of America on Thursday but the club have now said the 33-year-old will stay behind.
Arsenal have been linked with several defenders to help them sure things up at the back, and with this gesture from Koscielny, it is possible that he could be on his way out.
Sky Sports News understands Koscielny wants to return to France and has asked Arsenal to release him from his contract, which has one year remaining.
Koscielny, who has been at the Emirates for nine years, only has 12 months remaining on his contract after failing to agree an extension. "We hope to resolve this matter and will not be providing any further comment at this time".
That could apply to a lot of things to be honest, but on this occasion, their anger is exclusively directed at the Arsenal captain Laurent Koscielny.
Unai Emery looks set to be without his captain for the start of the new Premier League season.
Bordeaux have reportedly offered the centre-back a three-year deal, an offer he's said to be keen to take up.
Koscielny did not feature for the Gunners until December last season, spending seven months on the sidelines overcoming a serious Achilles injury suffered in Europa League semi-final defeat to Atletico Madrid last May.
Arsenal will face Colorado Rapids in a friendly on July 16 before taking on Bayern Munich, Fiorentina and Real Madrid in the International Champions Cup.
He would go on to make 353 appearances for the club, registering 27 goals.
The game also suffers from the same free-to-play monetization excesses that Nintendo has used in its other mobile titles. It offers multiplayer modes and social media connectivity, allowing players to play with their friends.
In addition to characterizing the current administration as "dysfunctional", Darroch said the USA president "radiates insecurity". After lashing out at Darroch in a series of tweets over the past two days, Trump had yet to weigh in on Darroch's departure.
Teens and pregnant women are among those murdered in a tribal bloodbath in Papua Recent Guinea's Highlands home. Hela provincial administrator William Bando told AFP on Wednesday that the death toll could rise.
Powell also says the Fed is coordinating with other regulators, such as the Treasury Department, and other central banks overseas. Trump's attacks have raised alarms that he is undermining the Fed's long-recognized independence from political pressure.
Yesterday, Attorney General Bill Barr announced Department of Justice attorneys have found a way to include the question. Trump and his supporters say it makes sense to know how many non-citizens are living in the United States.
By comparison, Mercury orbits the Sun every 88 days, Venus' orbit takes 225 days and Earth orbits the Sun every 365 days. A massive asteroid has eluded astronomers because of its unusual orbit - until now.
It's used by 750,000 companies around the world to conduct their business, including such big names as Nasdaq, the U.S. Zoom spokesperson Priscilla McCarthy told TechCrunch: "We're happy to have worked with Apple on testing this update ".
Ross Perot Dies at 89 :: Politics :: Features :: Ross Perot
The Texas billionaire will be remembered for challenging the US political system by running for president twice as an independent. After his unsuccessful lobbying efforts, Perot chose to run for president, launching historical changes in third party politics.
'Stranger Things' Monopoly game available for pre-order
Of course if you haven't seen Stranger Things 3 yet, you should know that the entire thing is a spoiler for the Season 3 finale. Stranger Things star Noah Schnapp believes his character Will Byers's sexuality is "up to the audience's interpretation".
Ping system revealed for Borderlands 3
These include options like aim assist, as well as the ability to toggle headbob, auto-mantling, running and crouching. This new mechanic will help making playing Borderlands 3 with a friend even more streamlined.