Unknown people on Wednesday pelted stones at a polio vaccination team, injuring three workers.
The stone-throwing incident took place at Hayat Marri Village in Nawabshah.
According to reports, anti-polio workers, Khalid Soomro, Fauzia Mughal and Aftab Mughal, were also held hostage by the miscreants. However, police intervened and the workers were set free.
