Four men have been detained by police as part of an investigation into the 2012 takeover of Rangers.
The men were detained on Friday morning by Scots police working with officers from three English forces.
Police Scotland said the four are being held as part of a probe into the "alleged fraudulent acquisition" of the Glasgow club.
The operation took place at a number of addresses in England and involved officers from the Thames Valley, Cheshire and Surrey forces.
A Police Scotland spokesman said: "Following a Police Scotland operation on Friday November 14, four men have been detained as a result of the ongoing investigation into the alleged fraudulent acquisition of Rangers Football Club.
"At around 6am, officers from Police Scotland, assisted by officers from Thames Valley, Cheshire Police and Surrey Police, attended a number of addresses in England and detained four men."
Wolves bring in Graham on loan
Wolves have signed Sunderland striker Danny Graham on loan until the end of the year.
The 29-year-old has moved to Molineux after playing just once for the Black Cats this season.
He will stay with Wolves until December 31 and will link up with his new club on Monday.
Graham said: "Wolves is a good club which has done very well over the last year and this is a good opportunity for me to try and play some regular football and get back to scoring goals."
Graham, who has not scored for the Black Cats in 14 games since a £5million move from Swansea in January 2013, went on loan to Hull and first club Middlesbrough last season.
Wolves could be without Nouha Dicko and Bakary Sako in January and February if Mali qualify for the Africa Cup of Nations and have been looking for extra firepower.
Loan striker Yannick Sagbo returned to Hull this week after failing to score in four games.
Wolves are ninth in the Championship and head coach Kenny Jackett believes Graham can help their promotion push.
"We feel this is a very good move for us," said Jackett.