JOPLIN, Mo. – Authorities have arrested two people following an armed robbery at a Joplin convenience store.

It happened Thursday night at the Kum & Go on South Main. Authorities say a man went into the store, brandished a knife and demanded money. The clerk got away safely, and the man left in a car with a woman.

Authorities say the suspect is Robert Castro. He was arrested later after a Joplin police officer tracked the car down. He was arrested in connection with the robbery and outstanding warrants.

The alleged driver, Madison Shores was also arrested. She’s facing charges on possession of a controlled substance, DWI and possession of marijuana.