Here is news release on Rosneft Angarsk coking Refinery explosion that killed one person. (Angarsk Refinery was commissioned in 1955 & acquired by Rosneft in 2007).
It has not been good for Russian industry with total of about 5 killed & +20 injured in recent explosions:
One killed in gas pipeline explosion near Moscow
Eleven injured in Russian pyrotechnics warehouse explosion
Three dead, eight missing in gas explosion in Russia’s Far East