Head of state believed to be in scenic Khakassia after his presidential plane spotted in Abakan.
A chase of the Sierra Leone registered Sapsan came after the vessel was detected in Russian waters by border patrol boat Argal.
Thermometers go above zero in places where the winter should be 20 or 30 degrees colder.
The world famous English National Ballet with first soloist Anais Chalendard is to perform in the Sakha Republic for the first time.
The 152-inmate prison will be in Yeniseisk, 3218 kilometres east of Moscow, said a senior official.
Coldest village in the world hit by severe flooding, with one month's rainfall in a few days.
All production of uranium across Russia will be in the closed Siberian town of Seversk by 2016.
Alexander Smelov, 55, killed in his office in Yakutsk.