Latest:Five people have been killed in a shooting at a workplace in Orlando, Florida.

A sheriff said charges are unlikely against a Nebraska couple after an alligator killed their two-year-old son by snatching him out of shallow water at a Walt Disney World beach, but the entertainment giant is reviewing whether to add alligator warning signs.

A search is under way for a two-year-old boy who was dragged into the water by an alligator near Disney's Grand Floridian Resort and Spa, authorities said.

A GUNMAN opened fire yesterday in the offices of an engineering firm where he was let go more than two years ago, authorities said, killing one person and injuring five others.