Mass shootings mar July 4th celebrations

<p>A pair of mass shootings interrupt the festivities in two major US cities. A gunman in Philadelphia is accused of killing five and injuring two children, one of the victims just 2 years old. Just hours later in Texas, three people were shot and killed in a fort worth parking lot. We bring you the latest on the investigations.  </p> <p>Plus, in Israel, eight people are injured after a man rams a pickup truck into a crowd of people gathered near a Tel Aviv shopping center. Police say the man then jumped out of his vehicle and began stabbing p...