(August 24, 2015, 10:04 AM EDT) -- PITTSBURGH — A woman who alleges that she suffered severe injuries after being hit by a performer jumping off a stage into a crowd at a concert filed suit on Aug. 3 against the artist, an entertainment company and others in a Pennsylvania federal court, seeking damages for civil battery and negligence (Krystina Clowes v. Live Nation Entertainment Inc., et al., No. 2:15-cv-01012, W.D. Pa.)....