Search efforts at the 10-story building in England that suddenly fell on Feb. 23, trapping three workers, are hampered by a "very unstable structure," says one fire official.
A spate of rare winter tornadoes across Texas and the Southeast has rekindled long-standing concerns about construction quality and building code enforcement, particularly in areas that appear increasingly vulnerable to severe weather.
Probes are ongoing into the Ohio powerplant site accident that killed CEO John T. Adamo Jr. on Dec. 2, when he was struck by a steel cable from a cable-suspension bridge that collapsed prematurely while being prepared for implosion.