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PERTH, Australia — Officials leading the search for a missing Malaysian airlines jet said Monday that they are investigating an oil slick about 3.5 miles from the area where the last underwater sounds were detected.
Angus Houston, the head of a joint agency coordinating the search off Australia’s west coast, said crews have collected a sample of the oil and sent it back to Australia for analysis, a process that will take several days. Houston said it does not appear to be from any of the ships in the area.
Also Monday, aearch crews sent a robotic submarine deep into the Indian Ocean for the first time to begin scouring the seabed for the plane, after no signals from its black boxes were detected for six days.