KIEV, July 16. /ITAR-TASS/. Ukrainians bring flowers and light remembrance oil lamps in front of the Russian Embassy’s building in Kiev as a sign of solidarity with Russians, who mourn for victims killed in the tragic Moscow metro crash on Tuesday.

According to the Russian diplomatic mission, “a total of some 20 people, with most of them being young,” participated in the solidarity event to remember the casualties of the underground train crash in the Russian capital, which saw 22 people killed and over 160 injured.

The tragic accident took place at 8:39 a.m. Moscow time (4:39 UTC) on Tuesday on the stretch of the west-bound "blue" line of the Russian capital’s metro network between the Park Podedy and Slavyansky Bulvar stations.

A rapidly moving train crashed entrapping all of its passengers in the underground tunnel after three of its cars derailed due to reasons that investigators have yet to establish.

Moscow Mayor Sergei Sobyanin declared Wednesday the day of mourning in the Russian capital.