Three people were killed by the lightning in separate incidents in Magura, Khulna and Madaripur districts on Sunday.
In Magura, Sakiron Nesa, 50, wife of Surman Sheikh of Ghullia village in Mohammadpur upazila of the district, was killed when a thunderbolt struck her while she was working at her house on Sunday evening, said Tarok Nath Biswash, officer-in-charge of Mohammadpur Police Station.
In Khulna, a man was killed by lightning amid heavy rain while he was returning home after catching fish around 10 pm on Sunday at Bunarabbad village in Batiaghata upazila, said Runa Laila, a member of Surkhali Union.
The deceased was identified as Samir Roy, 35, son of Motilal Roy.
In Madaripur, a housewife was killed when a thunderbolt struck her while working in her peanut field on Sunday evening at Balughat village in Shibchar upazila of the district, said Miraz Hossain, officer-in-charge of Madaripur Police Station.
The deceased was identified as Ayesha Begum, 50, wife of Sorfan Hawladar.
Besides, at least nine people were killed and two others sustained injuries from lightning strikes in Chattogram, Feni, Manikganj and Magura districts on Sunday.
Lightning strikes claim hundreds of lives in Bangladesh every year. The deaths mostly occur in the warmer period of the year from April to June, as hailstorms occur most frequently during this time.