A birthday party at south city skating rink The Skatium (130 East Catalan Street) ended with two teenagers shot Saturday night. The entire group of roughly 45 teens were moved outside just after midnight to clear the building after a fight started. At that point someone on the lot pulled a gun and started shooting, hitting a 13-year-old boy and a 15-year-old boy. Neither victim's injuries are believed to be life-threatening. No suspects are in custody as of Monday morning, but the investigation continues.