Thousands of Muscovites gathered on Pushkin Square in Moscow on Tuesday to show their solidarity with Kemerovo mall fire victims. Residents of the capital laid flowers, lit candles and left toys in remembrance of those who was killed in a deadly fire. Russian opposition leader Alexey Navalny also arrived to the rally to pay his tribute. Some people were heard chanting 'Putin to resign' and... Еще 'authorities must account'. At least 64 people, including many children, were killed in the fire which engulfed the shopping mall in Kemerovo on Sunday. An investigation into the tragedy is underway.