TWO 12-year-old girls have been arrested for allegedly assaulting a 16-year-old girl and taking her mobile phone and cash in Newcastle.

The two girls approached the teen as she was getting off a bus at Glebe Road, Hamilton South, about 4.45pm (AEDT) yesterday.

The 16-year-old was then allegedly attacked by the girls - who also stole some of her property including a mobile phone and some cash.

The teenager managed to contact police and the two girls were arrested and charged with robbery in company. Both were refused bail.

One girl is due to appear in Parramatta Childrens Court today; and the other will appear in Broadmeadow Childrens Court on February 21.

Police are also appealing to anyone who may have been the victim of a similar incident in Hamilton South yesterday afternoon to contact them.

Anyone who might have witnessed the Glebe Road incident should contact Crime Stoppers on 1800 333 000.

Originally published as 12yo girls charged over phone robbery