The Senegalese has been forced to remain in France since November 2015 and is facing charges of money laundering and corruption after allegedly bribing Russian athletes to help cover up positive drugs tests.

Last month, Namibia's Frankie Fredericks stood down temporarily from the IAAF Council and as a member of the International Olympic Committee (IOC) following allegations that he received payments to  company he was linked too just three days before Rio de Janeiro was awarded the 2016 OIympic and Paralympic Games nearly eight years ago. 

According to French newspaper Le Monde, French police are probing a company linked to an influential Brazilian businessman which reportedly paid $1.5 million (£1.23 million/€1.42 million) to a firm set-up by Papa Massata Diack, the son of 83-year-old Lamine Diack.

This allegedly took place shortly before Rio was chosen as the 2016 Olympic and Paralympic host at the 2009 IOC Session in Copenhagen on October 2.

At the time Lamine Diack was a voting IOC member. 

Fredericks, a four-time Olympic silver medallist in the 100 and 200 metres, has also been implicated after receiving funds from Papa Diack during the same period.

Documents provided by American tax authorities showed that Papa Diack transferred $300,000 (£245,000/€284,000) to a Seychelles-based offshore company called Yemli Limited in 2009, through Pamodzi Consulting.

Yemli Limited is linked to Fredericks, who referred himself to the IOC Ethics Commission when the accusations surfaced on March 3.

He insists the funds are related to a marketing contract dated March 11, 2007, which was due to go towards developing various events including a Relay Championships, an IAAF Marketing Programme, the African Athletics Programme, the IAAF Continental Programme and the African Athletics Championships.

Fredericks was missing from the two-day IAAF Council meeting which finished here today and Coe admitted he did not know if further scandals could emerge. 

Tokyo 2020 also allegedly made a €1.3 million (£1.1 million/$1.4 million) payment to the Black Tidings secret bank account in Singapore linked to Papa Diack in 2013 their during successful campaign to host the Olympic and Paralympic Games. 

Papa Diack, a marketing consultant for the IAAF under his father, was also allegedly involved in 2008 in a scheme to deliver "parcels" to six influential members of the IOC at a time when Doha in Qatar, was trying to bid for the 2016 Olympics.

The French police are believed to be investigating all these cases.

"We have good open dialogue with the French prosecutors," Coe told insidethegames.

"We have a proper dialogue with their team.

"There has no been specific information about President Diack. 

"In terms of where else the investigation will go,I have no insight into that at all."