The deaths were reported from Manikganj Sadar, Ghior, Singair, and Saturia upazilas, police said.
In Manikganj Sadar upazila, police recovered the hanging body of Abu Hanif, 28, from a rented house in the West Dashra area of Manikganj town around noon.
Hanif, hailing from Chauddagram upazila in Cumilla, was found dead after police, acting on a call from his ex-wife, broke into the room with the help of locals, said Aminul Islam, OC (Investigation) of Manikganj Sadar Police Station.
His body was sent to the Manikganj Medical College Hospital morgue for autopsy and legal proceedings are underway, added the OC.
In in Sadar Upazila, the body of an unidentified middle-aged man, believed to be mentally challenged, was found near Manikganj Medical College Hospital in Joyra area.
In Ghior upazila, the hanging body of Sona Mia, 40, was recovered from Deobhog area of Singjuri union in the morning.
OC Kohinur Islam of Ghior Police Station said the deceased had visited his sister’s son-in-law’s house on Sunday night. His body was found there the next morning.
He added that Sona Mia’s wife was killed in Dhaka during the July uprising last year.
In Singair upazila, Rozina Akhter, 32, died allegedly after consuming poison.
Rozina, wife of Aynal Mia from Deuli area of Joymantop union, was admitted to Manikganj Medical College Hospital in critical condition on Sunday night.
She died during treatment early Monday, according to a medical officer.
Her body was also sent to the morgue for autopsy.
Meanwhile, in Saturia upazila, Russell Mahmud, an employee of Incepta Pharmaceuticals, died after being struck by a falling plastic drum from the roof of a factory building on Sunday night, reports UNB.
Russell, son of the late Idris Ali from Ruhulli area of Sadar upazila in Jamalpur, sustained severe injuries and was taken to Manikganj Sadar Hospital where he died.
Shahinul Islam, officer-in-charge (OC) of Saturia Police Station, said an investigation is underway and legal steps will be taken based on the findings.