this is australia s largest naval base on their western coast. the reason we re here is because we re monitoring the movements here of ocean shield. you see it. you can t miss it, really, it s bright red, docked here at the naval base. it arrived here over the weekend. crews have been very busy here. they ve been outfitting this ship with u.s. navy technology that we hope is going to really help in this search there is the tpl, that towed pinger locator. it s basically a giant underwater microphone. you tow it behind the ship and it listens for the fading ping from the cockpit voice recorder and inflight data reporter. this is critical in the next few days because we know about a week left. that s how much battery life there is before those pings stop. when the pings stop, there is another piece of technology in the ocean field called the bluefin 21. basically, it s an underwater drone. this thing can go down under water and scan the bottom of the ocean. it can map out if there is any
the white house called the killings a vial testament to an illegitimate regime that responds to peaceful protests with unspeakable brutality. the video of some of the 34 children killed has surfaced online. the images are simply too graphic to broadcast, showing children under the age of 10, some with missing limbs, and severe head wounds. the syrian government denies responsibility and blames al qaeda terrorists for the attack. well, this was a scene in several syrian cities today. people so angry over the massacre, they risked retribution from security forces to turn out in force. channel 4 s alex thompson trand to houla today and caught up in the fight between security forces and rebels. reporter: houla today, so far the world has only seen sporadic glimpses from cameras. we re in the southern suburbs, not exactly controlled by the syrian army, but they re here. we can only film covertly. and they re scared, very scared. who knows how many dead bodies lie around here. wh