A BIG explosion passed off within the oil pipeline passing through a area between the cities of Bengardovka and Kovalevo in the Lengrad region of Russia. st. With the explosion, which is able to even be noticed from the town of St. Petersburg, the flames reached a height of meters. in keeping with İHA; At The Same Time As rescue groups were dispatched to the region, Leningrad Region Governor Aleksandr Drozdenko gave information about the explosion. maintains,” mentioned. Explosion in oil pipeline in Russia –