Next Video:
UH researchers study sharks at Coconut Island
Sand is disappearing along portions of Ala Moana Beach Park, creating what many say is a dangerously rocky situation.
Two freight trains collided at an overpass near Chaffee, Missouri, early Saturday morning, injuring seven people, authorities said.
The overpass collapsed when one of the trains struck a pillar, Scott County Sheriff Rick Walters said.
A fire broke out...
