Two security guards were found dead in the Khandar area, Bogra, on Thursday morning.
The deceased were identified as Tajul Islam, 40, and Russell Mia, 45. Both the victims were working for the regional depot of Zuellid Fharma.
Confirming the matter, Bogra sadar police station OC Syed Shahid Hossain said: "On information, police rushed in and recovered the bodies from the security control room of the office."
"Their hands and feet were tied up with rope. Robbers might have strangled them to death anytime in the night after being resisted by the night guards," he added.
Masud Hossain, Zuellid Fharma depot in-charge, claimed robbers looted Tk100, 000 from the transit locker of the office.