Twitter engineer says he was fired for helping coworkers who faced layoffs

A former Twitter Inc engineer has accused the company of firing him days after it was acquired by Elon Musk because he developed a tool to allow workers to save important documents in anticipation of mass layoffs.

The engineer, Emmanuel Cornet, filed a complaint with the U.S. National Labor Relations Board on Monday claiming he was engaged in protected activity when he shared the software on an internal Twitter messaging channel.