"All children injured in the pool of the fitness club on Yaroslav Hasek have been discharged from the Children's Clinical Hospital No. 5 named after Filatov," TASS reports.
On September 18, eight children were poisoned by chlorine fumes while swimming in a pool in the Frunzensky district of St. Petersburg.
Five were taken to the hospital, three more were examined by doctors on the spot.
Investigative Committee opened a criminal case under Part 1 of Art.
238 UK ("Provision of services that do not meet safety requirements").