At Least 15 Killed in Shooting at Hanukkah Celebration; Person of Interest in Custody in Brown Shooting

At least 15 people are dead after a violent attack in Sydney on Sunday. Two alleged gunmen opened fire during a Hanukkah celebration. Australia’s prime minister responds. Authorities give an update on the Saturday afternoon shooting at Brown University. Police say a person of interest has been taken into custody. A former Hisp...