In Jashore, three members of a family were killed and three others injured in a private car accident in the district town shortly after midnight.
The deceased were identified as sisters Tonima Yeasmin Piyasha, 25, wife of Shafiqul Islam, and TanjilaYeasmin Easha, 30, wife of Sumon and their sister-in-law Tithi, 35, wife of MonjurHossain.
Md Touhidul Islam, assistant superintendent of Jashore police, said the accident took place around 1am when the car hit an electric pole, leaving the trio dead on the spot.
Among the injured, the condition of three-year-old Monirul deteriorated. He was sent to Dhaka for better treatment.
In Sylhet, two students of MC College were killed after a private car overturned at Tilagar in the city on Friday night.
The deceased were identified as Nayan Das, 27, son of Iresh Das and Rubel.
Abdul Kaium, officer-in-charge of Shahporan Police Station, said the private car overturned at 11pm as its driver lost control over the steering, leaving four students severely injured.
Locals rescued them and took them to Sylhet MAG Osmani Medical College where doctors declared Nayan dead while Iresh died on Saturday morning at the hospital while undergoing treatment.
In Gopalganj, two women were killed and 10 others injured after a bus hit a roadside tree in Dhennabari area of Sadar upazila around 10:30am, said SajedurRahman, inspector of Boiltoli Highway police.
One of the deceased was identified as Romesa Begum, 50.