With just a year left on his deal, the Chile worldwide has been linked with a move this summer, although Wenger has repeatedly insisted he is not for sale.
Sanchez was one of the best attacking players in Europe last season, scoring 30 goals and contributing 13 assists to Arsenal's cause.
Arsenal must not repeat the same mistake they did when selling Robin van Persie with Alexis Sanchez, Paul Merson has warned.
"He had a little abdominal strain that he caught on Sunday morning in training, before he came to Wembley", Wenger said.
"He had a scan two days ago and he's out for a while - we don't know if it is two weeks or one more week, but he will not be available", Wenger said at a news conference on Wednesday, ESPNFC reported. He will not play against Stoke.
Arsene Wenger insists that Paris Saint-Germain have shown no interest in signing Arsenal forward Alexis Sanchez.
Asked to sum up Sanchez's state, Wenger replied: "Focused".
'But I don't think I would have included him on Friday night.
Tillerson says NKorea must halt launches to talk
North Korea had tough talk today for the United States, following the weekend adoption of new sanctions by the United Nations. Before Tillerson's trip, the USA had said he had no plans to interact with North Korean Foreign Minister Ri Yong Ho.
Mourners set to remember woman killed by officer
The memorial finished with a walk in silence around Lake Harriet. "It's rather surreal, but the irony isn't lost on any of us". Ruszczyk's death has caused outrage in the United States and Australia and led to the resignation of the city's police chief.
Trump on North Korea; Google scandal; Trouble at Snap
The Nasdaq finished the day at 6,216.87, a slide of 135.46, while the S&P 500 lost almost 1.5 percent, ending the day at 2,438.21. Benchmark U.S. 10-year notes last rose 6/32 in price to yield 2.1905 percent, from 2.211 percent late on Thursday.
As Trump Threatens, US Negotiates With North Korea
On one issue there is unanimity of opinion: There are no good military options to take out North Korea's arsenal pre-emptively. On Friday, he tweeted: "Military solutions are now fully in place, locked and loaded , should North Korea act unwisely".
Retired Hudson to join Terriers' coaching staff
He ends his playing career having helped Town to promotion via the Championship play-off final against Reading at Wembley. The utility man has already made two appearances for Barnsley this season, adding to his 32 league outings last campaign.
Dota 2-Playing Robot Beats the Pros at The International
OpenAI says its next goal is to build a team made up of five bots that can hold its own against a team of top human players. Then, Brockman said, it was time to put the bot to the test at The International, which is Dota 2's world championship.