Three labourers died during cleaning a manhole in Rahim Yar Khan district of South Punjab, reported 24NewsHD TV channel.
The locals informed the rescuers who took the bodies to the Tehsil Headquarters Hospital in Liaqatpur.
The deceased were identified as 18-year-old Muhammad Imran, 45-year-old Muneer and 40-year-old Momin.
The bodies were handed over to the families.
Punjab Chief Minister Mohsin Naqvi took notice of the incident and sought a report .
Following the directives of the chief minister a special team has been formed to dig into the incident and submit the report within 24 hours.