On that day the debris-clearing operation will be over, he explained.
In the latest information, as a result of the collapse of the roof of the Transvaal Park, 25 have died and 64 are in hospital.
Yudin also said that the team of investigators from the Moscow prosecutor's office will carry out a blasting experiment in the place where the park's roof collapsed.
"We as before do not consider the version of terrorism. In order to remove suspicions and prevent speculation we will take samples of the structure", Yudin said.