Russian opposition leader Alexey Navalny detained after flying back to Moscow

Read MoreKremlin critic Alexey Navalny was detained in Moscow after flying back from Germany, where he spent five months recovering from a poisoning that nearly killed him. Elizabeth Palmer reports.Kremlin critic Alexey Navalny was detained in Moscow after flying back from Germany, where he spent five months recovering from a poisoning that nearly killed him. Elizabeth Palmer reports.