Second Ping Detection News Today

Work off of. australian and malaysian authorities already discussing what to do next, if and when this portion of the search finishes, and theres still no signs of the missing plane. alison? >> i know theyre going to start sort of from square one, but any idea where the next search will take them and what will lead them there? >> reporter: well, a source within the u.s. navy saying that all the key stakeholders are discussing this right now, possibly a long-term search, the source said, lasting ...

So, if they do expand the search, how exactly would they do that? >> reporter: well, right now, theyre searching in the area of the second ping detection, which was the strongest signal they detected. theyre searching in a 6-mile radius around that point. now, once theyve exhausted that, theres been talk of potentially, some analysts saying maybe searching in the locations where the other pings were detected. theres also been talk of maybe just broadening out the search area to search along that...

This search in the area theyre focused on right now. they should be done in a day or two, and if they come up empty there, have they given any sense what they will do then, because theres no signals coming from those black boxes anymore, presumably? >> reporter: well, at that point, australian authorities saying that theyre really going to stop and reassess, weigh all options. a source of the u.s. navy telling cnn theyre considering a number of options, possibly broadening out the search area, p...