Yulia Navalnaya was also detained at a similar protest in support of her husband last week. (File)
Moscow, Russia:
Russian police detained Yulia Navalnaya, the wife of jailed Kremlin critic Alexei Navalny, at an unauthorised protest in Moscow on Sunday, Navalny's allies said on social media.
OVD-Info, a monitoring group, said that more than 300 people had already been detained at the Moscow rally.
Navalnaya was also detained at a similar protest in support of her husband last week.
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