australian emergency officials calling it the best lead yet. and australia's prime minister calling the new information credible also warning parliament to be cautious about the discovery. no one knows if this is flight 370 or a a heart breaking wild goose chase. >> i should tell the house and we must keep this in mind the task of locating these objects will be extremely difficult and it may turn out that they are not related to the search for flight mh 370. >> right now four aircraft and half a dozen ships are battling the weather search for debris. aircraft australia, new zealand and united states also the flight similarity home at pilot on route to quantity toe, virginia. grn reporter is live in sydney. roger, has he the weather given a little bit of an opening so these flights can