Detectives from Holden Hill CIB and members from Operation Mandrake yesterday arrested and charged a 17-year-old youth from Elizabeth Park with two counts of aggravated robbery.
He appeared in the Youth Court yesterday.
The first robbery happened at the Broadview BP Service Station on Wednesday 11 July and the second one on the 15 July at the Pooraka BP Service Station.
Police are alleging a second suspect was involved in the Broadview robbery.
Investigations are on-going in relation to the identity of this suspect involved.