Many have probably heard that a number of drug poisonings have recently occurred in Russia. In order to continue the development of this topic. Title on the news site: "The number of citizens who have been poisoned with an unknown drug is decreasing" Well, yes, it is decreasing, after such poisoning it is probably difficult to survive...
The point is that the number of poisonings has decreased.
The rich Russian language - not everyone is allowed to use them properly.