The area of the fire in the Moscow women's prison-6 is 50 square meters, told journalists the head of EMERCOM in Moscow Sergey Zheltov.
Earlier it was reported about the fire spreading to 30 "squares".
The Moscow Prosecutor's office organized a check, in connection with the smoke in the detention center in the South-East of the capital, the press service of the Ministry.
"The Moscow Prosecutor's office organized verification of compliance with legislation on fire safety in connection with the incident in fku SIZO-6 UFSIN of Russia in Moscow", - stated in the message.
In the capital women's SIZO-6 where the fire occurred, in a safe place evacuated 850 people, reports a press-service UFSIN across Moscow.
According to the information of emergency services in the capital, a fire in the prison started with the bakery.
Employee of the SIZO-6 UFSIN across St.-Petersburg and Leningrad region Alina Saburov detained the criminal with martial arts techniques, said Tuesday the press service of the regional Department of the Federal penitentiary service.
"On the evening of 8 June, the girl was returning home with a friend when he saw in the nearest forest belt man beating up a woman. Without hesitation, the employee came to the rescue: unarmed combat neutralized the attacker, but he managed to escape," - said in the message.