Two schoolgirls died within around half an hour after falling sick at Jaintapur of Sylhet on Friday.
Police suspected that Imrana Begum, 15, and Rosna Begum, 14, eighth graders at Durgapur High School in Kanaighat upazila, might have died after drinking contaminated fruit drink.
Imrana, aunt of Rosna, was from Dholkira village while the latter from Purba Laxmipur in Jaintapur upazila.
Quoting locals, law enforcers said the girls around 11:30am hired a CNG-run three-wheeler from Darbas Filling Station to go to Chatul area.
After travelling some distance, the two told the driver that they were feeling unwell.
The driver stopped the vehicle in front of Darbas Union Parishad Complex and found Imrana lying motionless on the seat, said Safiul Kabir, officer-in-charge of Jaintapur Police Station, quoting the driver. The condition of Rosna was also bad.
Locals rushed the two to Jaintapur Health Complex where doctors declared the schoolgirls dead.
The bodies were sent to Sylhet MAG Osmani Medical College Hospital for autopsies.
Police seized fruit drink packs from inside the vehicle.