The Premier League's decision to charge Manchester City with breaking its financial rules has shocked the domestic game.
The Premier League champions have become a dominant force in English football in recent years, winning six league titles since they were taken over by the Abu Dhabi United Group in 2008.
But how have City got here? How significant are the charges? And could they really be kicked out of the Premier League?
BBC Sport answers the key questions.
Why are Man City being charged?
After an investigation lasting more than four years, the Premier League released a statement on Monday saying it had charged City with more than 100 breaches of financial rules from 2009 to 2018.