The Police Investigations and Review Commissioner (Pirc) announced it would be reviewing an allegation made against a senior officer on Wednesday.
MP Natalie McGarry Faces New Investigation
Scottish MP Natalie McGarry is facing a second police probe into alleged financial discrepancies, it has emerged.
Police Scotland confirmed they have received a report and are carrying out inquiries.
The complaint is understood to have come from within the SNP's Glasgow regional association, of which Ms McGarry was a convenor, and reportedly relates to funds said to be missing from the association's accounts.
Her lawyer said the Glasgow East MP will co-operate with any inquiry.
Ms McGarry was elected as an SNP MP in 2015, but she currently sits as an independent after withdrawing from the party whip in November in the wake of a police investigation into allegations of missing donations from Women for Independence, the pro-Scottish independence group she founded.
She denies any wrongdoing and the police investigation into that matter is continuing.
In relation to the recent complaint, a Police Scotland spokeswoman said: "We can confirm that police have received a report and inquiries are continuing.''
Ms McGarry is thought to be on honeymoon after she got married at the weekend.
The MP's solicitor Aamer Anwar said: "I understand that there is a police inquiry but no criminality has been established. Therefore it would be inappropriate to comment further.
"Ms McGarry will co-operate with any inquiry.''
An SNP spokesman said: "It would be inappropriate to comment while these matters are being considered.''
A spokesman for the MP said: "Police Scotland have not been in contact with Ms McGarry in relation to recent media reports. Ms McGarry is clear that no wrongdoing has been committed on her part and she will fully co-operate with Police Scotland in their inquiries.''
Opposition politicians and organisations representing doctors and nurses have repeatedly highlighted pressures many health workers can face.
London and Edinburgh also ranked in the top 10 list.
The devolved administrations have said they cannot recommend that legislative consent is given to the European Union (Withdrawal) Bill as it stands.
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