Were Underwater Noises Coming From Missing Titanic Sub?

Sonar buoys picked up the sound of banging in the search area of the missing Titanic tourist submersible. Now, rescue crews are scrambling to locate the source of the banging because the oxygen in the vessel is expected to run out soon. The news comes as the owners of the Titan are coming under fire for refusing to have the sub tested by an independent regulatory body. Inside Edition's Ann Mercogliano has more.