FILE - In this March 24, 2014, photo, a relative of Chinese passengers aboard Malaysia Airlines Flight 370 grieves after being told the latest news in Beijing, China. Malaysian Prime Minister Najib Razak announced on Thursday, Aug. 6, 2015, that a wing piece that washed up on Reunion Island last week is from the missing Malaysia Airlines Flight 370. However, French, U.S. and Australian authorities stopped short of full confirmation, frustrating relatives with mixed messages.(AP Photo/Ng Han Guan, File)