Police were called to the ground-floor store on Fook Hong Street, Yuen Long, soon after 1pm when the burglary happened. The suspect had fled before officers arrived.

The suspect was said to have threatened the staff with a foot-long blade and demanded the staff hand over the valuables, according to police.

Officers are now searching for the South Asian suspect, who is 1.8 meters tall. He wore a mask, a cap, purple clothing and black trousers at the time of the burglary.