A Federal Emergency Management Agency administrator said Tuesday that "our heart aches for the loss of life" in tornadoes that left four dead and about 100 injured in Oklahoma.

FEMA administrator Deanne Criswell joined Gov. Kevin Stitt and Sen. James Lankford in surveying the damage in Marietta that was caused by the Saturday night tornado that struck the town about 100 miles (161 kilometers) south of Oklahoma City, killing one person.

"We're going to work through the day to get a better understanding of what the impacts are across the state," Criswell said. "I'll give an update to the preside...