A garment worker was stabbed to death in Dhaka's Pallabi area last night. The deceased was identified as Ripon (26). Kazi Wazed Ali, officer-in-charge of Pallabi Police Station, said unknown persons stabbed the man in Mirpur-11 area, leaving him critically injured. A woman named Parveen took him to Dhaka Medical College Hospital around 11:00pm where doctors declared him dead,