Moscow police have detained a member of Ukraine’s parliament as he was taking part in a march mourning a slain Russian opposition figure. Ukraine’s parliament has protested the detention.Alexei Goncharenko, deputy of Ukrainian parliament, wearing t-shirt depicting Boris Nemtsov reading in Ukrainian 'Heroes never die', a hommage to a popular slogan used during last year's pro-Western uprising in Ukraine, is pictured in Moscow on March 1, 2015 prior the march to honour opposition leader Boris Nemtsov. Moscow police detained Alexei Goncharenko ahead of the march over his alleged involvement in deadly riots in the southern Ukraine city of Odessa last year. 'Police have detained me,' | ALEXEY KRAVTSOV via Getty Images
The federal Investigative Committee said Alexei Goncharenko was being questioned Sunday about his alleged involvement in a fire that broke out last year in his home city Odessa between pro-Ukrainian and pro-Russian demonstrators. Dozens died in the fire, including some Russian citizens.