A woman and her daughter were killed and husband was injured after a pickup van ploughed through their house in Tangail'e Dhanbari upazila early Tuesday.
The accident happened at about 2am in Nolla Bazar area on the Tangail-Jamalpur regional road.
Police, however, detained the pickup van driver.
The deceased were Phool Rani, 42, and her daughter Radhika Rani Das, 12, a student of class V.
Ganesh Chandra Ravidas, 45, is undergoing treatment at Mymensingh Medical College Hospital.
Dhanbari Police Station OC M Jashim Uddin said a pickup van ploughed through a roadside house losing control when the family members were sleeping.
Phool Rani and Radhika Rani died on the spot, while Ganesh was injured critically.