A man died at Chittagong Medical College Hospital (CMCH), an hour after he was taken there unconscious.
The deceased was identified as Md Tamim, 28, hailing from Sitakunda upazila of Chattogram, police said quoting locals.
Around 1am, locals found Tamim lying unconscious in Fakirhat area on Chattogram-Dhaka highway and rushed him to CMCH, said Assistant Sub-Inspector Alauddin Talukder of CMCH Police Camp.
He was declared dead around 2am, Alauddin added.
The body bore injury marks in the hands, back and legs, Alauddin said, adding, police is investigating the incident.