it's been a violent weekend across the country. police in arkansas say a gun fight spilled over into a car show. it was 90 miles southeast of little rock. one person killed, 28 wounded. that includes some children. police say they have a person of interest in custody. in dallas, police are searching for suspects after a shooting outside a party venue. one person died, several others wounded. and in norfolk, virginia, a 25-year-old reporter, sierra jenkins, one of two people killed. gunfire erupting outside of a popular night spot. her editor tried to reach her when news broke of the shooting, not knowing she was one of the victims. still ahead on "world news tonight" this sunday, millions face severe storms as they begin the work week. where and when they'll hit next. migraine attacks? qulipta™ can help prevent migraine attacks. it can't prevent triggers, like your next period or stress. you can't prevent what's going on outside, that's why qulipta™ helps what's going on inside. qulipta™ is a pill. gets right to work to prevent migraine attacks and keeps them away over time. qulipta™ blocks cgrp