Two people were killed in a lightning strike in Char Jangalia area of Kamalnagar upazila on Thursday afternoon.
The deceased were identified as Nur Mohammad, 40, son of Amin Ullah, and Mahin Uddin, 25, son of Abdur Rouf, residents of Char Folkan village.
Md Nizam Uddin, chairman of Hazirhat union parishad, said that the thunder bolt struck them while they were constructing a house during the storm in the afternoon, leaving duo dead on the spot.
In another incident, two young cousins were killed in a lightning strike at Moghdhora of Sandwip upazila in the district on Thursday night, Agencies report.
The deceased were identified as Jane Alam, 25, son of Md Hanif and Md Sohail, 22, son of Md Abdul Hai, hailing from Ward No 3 of Moghdhora union.
Mogdhora Union Parishad Chairman SM Anwar Hossain said that the two young cousins were critically injured as a thunderbolt struck them during fishing in a water body nearby their house.
They were rushed to the Sandwip Medical Centre where the doctor declared them dead.