After a month of warm, dry weather and wildfires, the huge crater nicknamed ‘Mouth of Hell’ is now under direct threat.
Parents concerned about their children from huge wild cat - or more than one - on the loose, with another terrorising Solontsovy village.
Private helicopter brought in to located Tyva Avia aircraft that had 13 people on board in remote Siberia.
Same phenomenon of discharge of gas hydrates 'led to crater formation in Russia and disappearance of ships in Atlantic'.
Satellites show giant hole ringed by 20 'baby craters'.
Elsewhere in Buryatia, close to Lake Baikal, there are reports of other strange sightings.
Six infernos ravaging the region's nature have been extinguished in the past 24 hours, it is reported.
Friends of missing American questioned using polygraph by police as search goes on for 25 year old student last seen early Sunday.