Three people were killed on the spot and 12 others were injured after being struck by lightning while working in a mango orchard in Baganbari village of Baliadangi at 2:30pm, said Officer-in-Charge of Baliadangi Police Station Mosadderul Haque.
The deceased were identified as Nurul Islam, 35, son of Bappa Mohammad; Rabiul Islam, 27, son of Abdul Karim; and Abdul Zabbar, 45, of Jagadal village in Ranisankail upazila.
The injured were taken to the Upazila Health Complex.
In a separate incident, a teenager was killed on the spot after he was struck by lightning while collecting ducks from a pond in Alsia village of Ranisankail upazila.
The deceased was identified as Abu Said, 13, son of Mansur Ali, said Abdul Mannan, OC of Ranisankail Police Station.