Tornado-battered towns in Oklahoma clean up after deadly storms

SULPHUR, Okla. — Powerful tornadoes that ripped through several Oklahoma communities over the weekend were particularly dangerous because they dropped from the sky after dark, catching residents off guard as the twisters tore through homes and businesses, uprooted trees and tossed vehicles. The storms, part of an outbreak of severe weather across the middle of the U.S., began in Oklahoma late Saturday and killed four people, including an infant, and left at least 100 others injured, authorities said. The deadly weather in Oklahoma followed dozens of tornadoes that raked Iowa...