Article Photos: Oklahoma tornadoes: Two people die in Atoka County twister

William Smith tugs at a piece of rubble as he helps clear out what is left of a friend's home in Tushka, Okla., Friday, April 15, 2011, following last night's tornado. (AP Photo/Sue Ogrocki)

William Smith tugs at a piece of rubble as he helps clear out what is left of a friend's home in Tushka, Okla., Friday, April 15, 2011, following last night's tornado. (AP Photo/Sue Ogrocki)