Li vows no leniency in scandal over bad vaccines

Dozens detained by police; top prosecutors will oversee the case

Premier Li Keqiang said there will be no leniency for anyone involved in a vaccine scandal that has shocked the nation and ignited wide public concern about vaccine safety.

Li pledged on Tuesday to punish officials who are proven to have been derelict in their duty in the distribution of the possibly ineffective vaccines, according to the State Council website.