More than 350,000 people in Missouri, Arkansas and Kentucky have no power after severe storms and tornadoes swept through the region Saturday and continued into Sunday.

Additionally, more than 56,000 people are without power in Texas as well as more than 35,000 in Tennessee, while nearly 18,000 customers have outages in Kansas, according to poweroutage.us.

Concerns about severe weather also forced a delay for the 108th running of the Indianapolis 500, set to take place Sunday at the…