The Wall Street Journal is reporting that Sunday a Vietnamese search aircraft has found fragments of what is suspected to be a Malaysia Airlines jetliner that went missing Saturday with 239 people aboard.The fragments are reported to be an inner door and a piece of an airplane tail, according to media reports. Malaysia Airlines is reporting that it has not received confirmation regarding the suspected debris.It was becoming nightfall in the area and Vietnamese officials reported they would continue the identification process Monday.Foul play has not been ruled out in the wake of reports that two passengers boarded the plane with stolen passports. The flight included passengers from more than a dozen nationalities with more than half of them Chinese nationals. At a news conference Sunday afternoon in Beijing, The Wall Street Journal reported that a member of the airline’s crisis management team said the airline told family members of passengers to "‘expect the worst.’"The National Transportation Safety Board (NTSB) from the United States has sent an investigation team to Asia to provide assistance. The team reportedly includes advisers from Boeing Co, maker of the 777 aircraft, and the Federal Aviation Administration (FAA).