CNN The Situation Room April 23, 2014 21:03:00
Investigators are cautious. >> we have not seen any verification, confirmation that is it part of mh370. >> reporter: the drone is moving on to its 11th dive, scanning last 20% of the most promising underwater area. if nothing turns up, search will move into a new phase that's being planned right now. >> i can confirm that in fact we are increasing the assets that are available for deep sea search. >> reporter: aircraft crews are keeping a close watch on the weather, after stormy conditions postponed their missions the past two days. ships were able to continue combing the ocean surface in cho...
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