The U.S. flag flies at half-staff at a fire station in Millbrae, California, the United States, May 25, 2022. At least 19 children and two adults were killed in a shooting at Robb Elementary School in the town of Uvalde, Texas, on Tuesday. (Photo by Li Jianguo/Xinhua)
The U.S. flag flies at half-staff at a square in Millbrae, California, the United States, May 25, 2022. At least 19 children and two adults were killed in a shooting at Robb Elementary School in the town of Uvalde, Texas, on Tuesday. (Photo by Li Jianguo/Xinhua)
