romney says of robert jeffress. and protests on the gaza border. israeli defense forces tweeting out a video warning hamas may attempt to breach security and carry out a massacre. more than 100,000 palestinians are expected to demonstrate. we have ian lee in gaza. 100,000. you are seeing people burn tires to hide location from snipers. what else is happening? >> reporter: christine, just a while ago before we came to air, a drone had flown right behind me and dropped tear gas into the crowd and into this area. scattering the people. this is already gearing up to be a very tense morning. you see the black smoke from the burning tires behind me. we have seen tear gas. we have seen ambulances ferrying