Police are investigating an armed robbery at the Terry White Chemist in Sandy Bay yesterday afternoon where a man threatened a staff member with a knife then fled the scene with a quantity of prescription medication.

Around 2pm yesterday a man entered the premises, purchased a quantity of flu medication, and then left the store.

Around 4.15pm the man returned to the premises and approached a staff member with a box cutter knife and demanded prescription medication.

The staff member complied with the offender’s demands and he then fled the scene with a quantity of prescription medication. He was seen walking down Sandy Bay Road past the World’s End Brewpub.

He was described as being mid-late 20s, around 180cm tall, medium to stocky build, full brown beard, shoulder length curly brown hair, wearing blue jeans, red scarf, black fedora hat, white and blue sneakers, purple backpack with Simpsons cartoons on it.

Anyone who saw the man fleeing the scene is asked to contact Tasmania Police on 131 444 or Crime Stoppers anonymously on 1800 333 000 or crimestopperstas.com.au

The staff member was not physically injured during the incident.