SA police hunt scooter-riding attacker

South Australians are being asked to help identify a boy who allegedly assaulted a woman and a teenage girl while riding a scooter north of Adelaide last week.

About 4.10pm last Monday, a woman walking on Simcoe Ave, Seaford Meadows, was indecently assaulted by a boy on a green scooter.

That Thursday, a teenage girl was walking on the same street about 5pm when she was also indecently assaulted by the rider.

The suspect is described as caucasian, between 12 and 16 years old and wearing dark pants and a light blue hooded top.