Jashore had the previous highest temperature of the season at 42.6C
The incident at the Dowlatpur area in the early morning of Saturday left three others injured, according to Border Guard Bangladesh (BGB) officials.
The dead have been identified as ‘Aku’, 29 and ‘Shanto’, 45. Both of them hailed from Benapole’s Putkhali Village.
Several of them were injured in the firing.
One of them died while being taken to a local hospital while the other was declared dead by doctors at the hospital.
The bodies would be sent to Jessore Sadar Hospital for autopsy, said Benapole police’s Inspector Rafiqul Islam.