777 may have been deliberately flown along a route to avoid radar detection. we'll have the details on that news in just a moment. there's also breaking news concerning the search for the missing jet. at this hour, search planes and ships are heading for an area where chinese searchers have now twice detected electronic pulse signals in the southern indian ocean, what they've been waiting for apparently. that coming from australian authorities that said the shield has also picked up a costic noise as well. we want to look more into the news that cnn has obtained from a senior government course. nick is live from kuala lumpur. it would be more astonishing news about the path of this airplane and why it took the