Three persons, who returned from Markaz at Nizamuddin in Delhi and were quarantined at Masjid in Budhlada sub-division last from some days, have tested positive for novel coronavirus (COVID-19) on Friday.Divulging the details, Deputy Commissioner Mansa Gurpal Singh Chahal said all the three persons have been shifted to the Isolation Ward established at Civil Hospital Mansa and undergoing treatment.He said that the situation is under the control and appealed people not to get panic.Meanwhile, six other persons, who were accompanied them and tested negative, have been quarantined at ITI in Budhlada as precautionary measures.