CNN's Erin Burnett shows surveillance video of the Washington bridge collapsing and other crumbled bridges.

Jeremiah Thomas describes responding to the scene of the Washington bridge collapse.

The widow of soldier Lee Rigby speaks publicly for first time since the tragedy.

Friends and family remember the life of eight-year-old Kyle Davis, who was killed in the Moore, Oklahoma tornado.

The rold of "Lt. Dan,"a Vietnam vet that loses his legs, is not one that Sinise forgot when the cameras stopped rolling.

Richard Quest reports British Airways passengers heard a bang, saw smoke, flames and parts of both engine covers fly off.

Iranian hackers break into US energy companies, show new ability. CNN's Chris Lawrence reports.

One man's frustration leads to sharing database of phone menu shortcuts online.