Complex sentence: This is the second plane accident in Russia involving a hockey team; in 1950, the entire VVS Moscow team were killed in an air disaster near Sverdlovsk (now Yekaterinburg).
Split into simpler sentences: This is the second plane accident in Russia of a hockey team. In 1950, the entire VVS Moscow team were killed in an air disaster near Sverdlovsk (now Yekaterinburg).