A 17-year-old female juvenile from Reynella has been arrested for the aggravated robbery at the BP On the Run service station Christies Beach yesterday. Police will allege she entered the service station on Beach Road about 12.20am armed with a knife and threatened the staff member. She stole cash, a finger bun and a packet of chips. She appeared in Court today. – See more at: http://www.sapolicenews.com.au/more-news/17800-female-arrested-for-service-station-robbery-christies-beach.html#sthash.NVf5hRtr.dpuf