Mass casualties after Israeli missiles hit southern Gaza refugee camp

Dozens killed or injured in an Israeli missile strike on a crowded tent camp with displaced Palestinians who had fled from fighting elsewhere in the country. The Israeli military said the strike on a Hamas command center. And what an Israeli expert who just met with hostage families on their anguish over efforts to bring them home. And Donald Trump and Kamala Harris will come face to face to square off in their first presidential debate. The U.S. calls on Venezuelan President Nicolas Maduro needs to release data from July's disputed election to address global concerns about its validity.