A woman shot by a store clerk shot Saturday in St. Paul is under arrest on suspicion of robbery, police said today.

Angel Kaster was shot near the collarbone and remained at Regions Hospital in St. Paul today, said Tom Walsh, a police spokesman.

Kaster, 30, hasn't been charged, but the case will be presented to prosecutors to consider charges, Walsh said.

Charges aren't expected against the clerk, Susan Khalil, because she acted in self-defense, Walsh said.

Khalil, who is eight months pregnant, had her 2-year-old daughter with her behind the counter at the Super USA store at Maryland Avenue and Earl Street on Saturday night. Joseph Khalil, Susan's husband, owns the store and had run out for an errand.

Kaster came in the store, and threatened her with what she was pretending was a gun in a paper bag, police said. Susan Khalil, 33, shot Kaster with a gun that her husband kept behind the counter.

In 2004, Kaster was convicted of second-degree assault with a deadly weapon for stabbing her boyfriend.

Kaster and her boyfriend had been at a bar and then went to his Bayport home, according to a criminal complaint filed at the time. The man said Kaster "snapped" after she said she wanted to lose 10 pounds and he replied she should lose 20 pounds, the complaint said.

Kaster came at the man with four kitchen knives, the complaint said. The man required surgery to repair wounds in his stomach and cuts on his back.