A woman and her 11-month-old daughter died after the woman jumped under a train at Sripur in Gazipur on Monday morning.
The incident took place in the Satkhamair Bazar area along the Joydevpur-Mymensingh rail route.
The deceased are Nasrin Akter, 29, and her infant daughter, Rowjatul Jannat Rafsa.
The family, hailing from Tangabo village in Mymensingh, used to live at a rented house in Mulayed village at Sripur, where Nasrin and her husband, Md Russel, worked at a local factory.
Witnesses reported that the Mohua Commuter Train was passing through Satkhamair Railway Station at around 10:30am when Nasrin, holding her baby, jumped under the train.
The incident left Nasrin dead on the spot.
Locals took the injured child to Sripur Upazila Health Complex, where she was referred to Mymensingh Medical College Hospital for advanced treatment.
The child succumbed to her injuries later in the day.
Nasrin鈥檚 son, Belal Ahmed, said that there was an argument between his parents, after which his mother left home with the baby in the morning.
Sripur railway station master Shaidur Rahman and Joydevpur railway police confirmed the incident, stating that the matter has been reported to the railway authorities for investigation.