Data shows someone sent jet into nosedive, killing all 132 aboard, WSJ reports, shedding light on crash even as China keeps tight grip on information about disaster

Chinese president calls for an 'all-out' rescue operation, and an investigation into the crash, as airline grounds all more than 100 737-800s in its fleet

Boeing 737 goes down near city of Wuzhou in Teng county; no immediate report on casualties