Students Ella Cook and Mukhammad Aziz Umurzokov identified as victims killed in Brown University shooting that wounded nine others over the weekend.

Mukhammad Aziz Umurzokov's sister, who called him "the smartest," recounts finding out about his death, and Ella Cook is remembered as "an incredible light" who could "lift up those around her."

Police are pursuing a new lead based on photos and videos of an individual taken around 2 p.m. Saturday, hours before the deadly mass shooting at Brown University. Follow for live updates.

In 2019, Tretta had been shot in the abdomen during a mass shooting at Saugus High School in Santa Clarita, California. Two students were killed, and she and two others were wounded. She was 15 at the time.

Senior administration officials released confusing, incorrect or misleading information after Kirk's assassination and the shooting of two National Guard members.

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