<p>Russian police detained Yulia Navalnaya, the wife of jailed Kremlin critic Alexei Navalny, at a protest in Moscow on Saturday, she wrote on her Instagram from inside a police van.</p>.<p>Police have declared the rallies in Moscow and dozens of other cities illegal and have arrested hundreds of people. </p>
<p>Russian police detained Yulia Navalnaya, the wife of jailed Kremlin critic Alexei Navalny, at a protest in Moscow on Saturday, she wrote on her Instagram from inside a police van.</p>.<p>Police have declared the rallies in Moscow and dozens of other cities illegal and have arrested hundreds of people. </p>