Cousin Kyle Balcom (L) and brother Dustin Bush console each other after the disappearance of Jeffrey Bush into a Seffner, Florida, sinkhole. Edward Linsmier/Getty Images hide caption

itoggle caption Edward Linsmier/Getty Images

After a sinkhole swallowed a man in his bedroom in Seffner, Fla., an engineer tethered with a safety line walks in front of a home on Saturday. Chris O'Meara/AP hide caption

itoggle caption Chris O'Meara/AP

An engineer surveys in front of the home where a sinkhole opened up late Thursday near Tampa, Fla. A man who had been in one of the home's bedrooms screamed for help and disappeared. It's feared he died. Chris O'Meara/AP hide caption

itoggle caption Chris O'Meara/AP