AIR Airbus SE

By William Boston

BERLIN--German prosecutors investigating the crash of Germanwings Flight 9525 on Thursday said they are conducting a number of searches in Duesseldorf and other cities to gather evidence to determine the reasons behind the co-pilots alleged intentional destruction of the plane that killed 150 people on board.

In a statement issued Thursday afternoon, prosecutors said the searches were aimed at "finding and securing personal documents in order to obtain clues as to conceivable motives for the crime."

Write to William Boston at William.Boston@wsj.com

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