In the district of Chiniot's Bhawana tehsil, two women died after consuming a toxic milkshake on Thursday.
According to the 24NewsHD TV channel report, the condition of a third woman is reported to be critical.
Rescue teams have shifted the unconscious woman to Tehsil Headquarters Hospital for medical treatment.
Police reached the spot and took the dead bodies into custody to get reasons for the deaths through post-mortem.
A similar incident occurred in Pir Goth tehsil, Khairpur, on August 19, where eight people, including six teenage girls, died after drinking poisonous milk.
Police identified the deceased as 18-year-old Asghar, 15-year-old Dilbar, Fehmida, Ganj Baby, Sonia Brohi, and two other girls who passed away during treatment at the hospital.
Reporter: Waqar Ghumma