Sepp Blatter to quit as Fifa president
Arsenal's Jack Wilshere charged with misconduct
BBC investigation: 30 years of doping in athletics
What would you do if you were Fifa president? #bbcsportsday
England and Sunderland footballer Adam Johnson has arrived at Durham Crown Court to face child sex charges.
He has been charged with three counts of sexual activity with a 15-year-old girl and one offence of grooming.
Ogonna John: Blatter, you will always remain and be unforgettable in terms of football. You are a hero...
Kutlo Dicemann Mahole: Will we ever see Africa hosting the World Cup again? I don't think so. Will Russia host 2018? I also don't think so. Will America or England host 2018 and 2022? Most likely. Africa will be left behind.
Let us know via #bbcsportsday, text 81111 (UK users only) or post on BBC Sport Facebook.
Image source, Getty ImagesSepp Blatter showed off his excellent ball control to children in Guatemala on his visit to the country in 2002.
Throughout the day, we'll be showing you the best Blatter pictures from over the years.
Image source, APUefa president Michel Platini has revealed that a meeting of European football associations which was to take place in Berlin around this weekend's Champions League final has been postponed.
"It is with great concern that I, like most football fans around the world, have been following the daily developments regarding the investigations pertaining to FIFA corruption matters," said a Platini statement.
"Considering new information is revealed every day, I believe it is wiser to take time to assess the situation, so together we can take a position on this issue.
"There will be other opportunities for us to meet in the coming weeks and by then hopefully more light will have been shed on this matter."
Richard Conway
BBC Radio 5 live sports news correspondent
Jerome Champagne - who tried and failed to make it onto the Fifa presidential ballot paper - says he is "shocked, stunned and flabbergasted" by recent events at Fifa.
He feels it is still too early to decide if he will launch another presidential campaign but "is excluding nothing" at this stage.
Image source, Getty ImagesRick Parry, former chief executive at Liverpool, has given his reaction to the appointment of ex-Reds manager Rafael Benitez at Real Madrid.
"I think it's a great appointment for Rafa at his home club," Parry told BBC Radio 5 Live.
"In many ways his dream job. It was one that he kept telling us was on the cards whilst he was at Liverpool.
"Good luck to Rafa. I'll be sending him a message today assuming it is confirmed and I hope it works out for both of them."
If you're just logging on, here's a recap of Wednesday's main headlines:
Fifa president Sepp Blatter to quit his post after 17 years.
US media reports Blatter is being investigated by officials as part of their inquiry into corruption at world football's governing body.
Interpol issue wanted notices for two former FIFA officials and four corporate executives.
Rafael Benitez to be presented as Real Madrid boss on a three-year deal.
Image source, Getty Images"I'm outta love,
"set me free,
"and let me out this misery."
Those were the words Anastasia once sang. How apt they are today? The American performed the official song of the 2002 World Cup.
Image source, Sport360Now this is a surprise. United Arab Emirate's based English sports paper Sport360 have run a headline saying "Good riddance" following the news of Sepp Blatter's announcement.
Remember, neighbouring Qatar are set to host the 2022 World Cup.
The news of Sepp Blatter's resignation is one the most prominent stories in newspapers across the world on Wednesday. BBC Monitoring bring you the following:
Uganda's Daily Monitor asks a for "a lengthy ban" on those facing corruption charges and backs a hefty fine. It adds that such measures will ensure that Fifa is taken seriously again.
Middle East, several papers have prominently covered the story. Jordanian publications are asking whether Prince Ali Bin Al Hussein - Mr Blatter's sole challenger in the election that was held four days ago - will run for Fifa's presidency again.
Several Indian media are reporting on the resignation, with headlines such as: "Key questions: Why did Blatter resign and what now for Fifa?" and "After 17 Years at Helm, Defiant to Defeated in Four Fateful Days". Sepp Blatter is one of the top trending topics on Twitter in India and Pakistan.
Image source, InterpolThis just in from Interpol's Twitter feed..., external
The international police organisation have issued what they call "Red Notices" - basically international wanted posters - for "two former FIFA officials and four corporate executives for charges including racketeering conspiracy and corruption."
So keep your eyes peeled for former Fifa vice-president Jack Warner, former Fifa executive committee member Nicolas Leoz, Argentines Alejandro Burzaco, Hugo Jinkis and Mariano Jinkis, and Brazilian Jose Margulies.
Image source, Getty ImagesThe president of the Qatar FA, Sheikh Hamad Bin Khalifa Ben Ahmed Al-Thani, has not taken too kindly to FA chairman Greg Dyke's comments about the Gulf state's hosting of the 2022 World Cup...
"Mr Dyke's instinct to immediately focus on stripping Qatar of the World Cup speaks volumes on his views concerning what will be the first Fifa World Cup to take place in the Middle East," a statement read., external
"We would urge Mr Dyke to concentrate on delivering his promise to build an England team capable of winning the 2022 Fifa World Cup in Qatar."
Image source, Getty Images"Let the women play in more feminine clothes like they do in volleyball. They could, for example, have tighter shorts," Sepp Blatter once said.
Image source, The WitnessThere appears to be less of a triumphant tone surrounding Sepp Blatter's departure in today's African newspapers.
Image source, VolksbladReal Madrid have confirmed that Rafa Benitez will be presented as their new coach today at 12:00 BST. The Spanish club say he will sign a three-year deal., external
Image source, PA"Blatter could - in the most extreme scenario - still be in place in nine months."
Chief football writer Phil McNulty examines what happens next.
Image source, Getty ImagesJust let the picture do the talking. Superb.
Throughout the day, we'll be showing you the best Blatter pictures from over the years.
Richard Conway
BBC Radio 5 live sports news correspondent
"The BBC has learned Sepp Blatter is back at work inside Fifa's headquarters today.
"He is said to have arrived early, determined that despite yesterday's dramatic speech he must start work towards delivering his promised reforms before leaving office."
Image source, TwitterWhat a lad. West Indies batsman Chris Gayle showed his all-round skills by turning out for a club team then serving behind the bar and answering the clubhouse phone.
Gayle, 35, made a guest appearance for South Devon in a benefit match for Somerset all-rounder Peter Trego.
After a couple of drinks, Gayle smashed a six and then signed up for the Devon Cricket League B Division side.
Committee member Paul Hooper said: "When he calls it a day in the pro game we'll be delighted to have him back."
Image source, Getty Images"Mwa-ha-ha-ha-haaa! The World Cup is ours, it's all ours!" Question marks are now hanging over Qatar 2022 and whether they will keep the tournament or not.
Throughout the day, we'll be showing you the best Blatter pictures from over the years.