Allegations have been made that he bought various items, such as luxury goods, jewellery, cosmetics, two cars and a motorhome, in an improper manner.
Pam Duncan-Glancy has had the party whip withdrawn over her connections to Sean Morton, a former councillor in Moray.
Earlier this week, the leader of the Scottish Labour party made a significant political move, urging the prime minister to resign.
A former leader of the Scottish Liberal Democrats and Scotland's inaugural deputy first minister passed away last month at the age of 71.
Following a press conference held by the Scottish Labour leader on Monday, in which he urged the prime minister's resignation, a new development has emerged.
This week's political developments are discussed by Natalie Higgins, Lynsey Bews, and Paris Gourtsoyannis.