A person of interest was detained overnight in connection with the deadly shooting at Brown University, officials said Sunday. And an attack targeting a Jewish gathering at a famous Australian beach on Sunday killed at least 16 people, Get the latest updates tonight on the CBS Weekend News. | CBS Evening News

Camp Mystic is implementing a new flood warning system after more than two dozen girls and counselors were killed in the devastating floods during July 4 weekend. CBS News' Jason Allen gets an exclusive look at the new technology designed to prevent another tragedy and spoke with a family member that owns the camp. | CBS Evening News