Flash floods and tornadoes led to three deaths in Oklahoma as severe storms hit parts of that state as well as Texas and Missouri over the Easter holiday weekend. Tens of thousands of people lost power at the height of the storms,

A slow-moving, active storm system brought heavy rain, large hail and tornadoes to parts of Texas and Oklahoma and left three people dead as severe weather warnings Sunday continue to threaten parts of the south-central and Midwest U.S.