Move made on same day as Guardian published interview with ex-aide’s mother who criticised Bidzina Ivanishvili

The mother of a jailed former aide to Georgia’s de facto leader, Bidzina Ivanishvili has had her bank accounts frozen after she publicly accused Ivanishvili of pursuing a vendetta against her son.

The prosecutor’s office in Georgia acted against Marina Ramazashvili and her husband, Alexander, on the same day that the Guardian published an interview with her in which she criticised the billionaire and called for help from the west.

In the interview, she alleged that Ivanishvili, the honorary chair of the ruling Georgian Dream party, was treating her son, Giorgi Bachiashvili, as his “personal prisoner” and that he had “no humanity, he has no empathy”.

Ramazashvili, 65, a renowned ophthalmologist in Georgia, has treated Ivanishvili and members of his family for eye conditions in the past.