At least 16 people are believed to have died after tornadoes, heavy rain and flash flooding battered parts of the South and Midwest in the United States. Among them was a 9-year-old boy, who was swept away while walking to a school bus stop in Kentucky on April 4.

Another round of torrential rain and flash flooding has come for parts of the South and Midwest already heavily waterlogged by days of deadly storms.

A storm system sweeping over large areas of the U.S. South and Midwest has resulted in at least 16 weather-related deaths, with overnight tornado and flash flood warnings setting up more severe weathe