He said this during a video conference.

“The most dangerous objects have been localized and eliminated - this, of course, is the most important thing, the spread of a toxic spot, the ingress of chemicals into waterways, the consequences could be unpredictable simply were prevented,” RIA Novosti quotes him. 

According to the president, "we managed to prevent the risk of a real environmental disaster, if not a catastrophe."

Putin noted that a direct threat to the life and health of citizens living in the city was removed and there were no disruptions in the functioning of the city's life support systems.

The president also promised to keep the situation in Usolye-Sibirskoye under control.