Northern Territory Police are calling for witnesses in relation to a robbery in Katherine yesterday.

About 6:45pm, two youths attended a store on Giles Street, where they allegedly assaulted an employee and stole cash from the till.

The offenders are described as:

• Male Aboriginal youth, aged 15-18 years, wearing a black and white football club singlet.

• Male Aboriginal youth, aged 13-16 years, wearing black or dark olive hoodie pulled tight around his face.

Anyone who may have witnessed the incident or has information is urged to contact police on 131 444 or via Crime stoppers on 1800 333 000. Please quote reference number 9577700.