Around 3,200 employees in Boeing's defence division went on strike on Monday, just nine months after the last industrial action at the crisis-stricken US aircraft manufacturer. Workers belonging to the IAM trade union rejected a four-year labour agreement on Sunday.

Boeing workers who build fighter jets went on strike Monday at midnight Central Daylight Time. About 3,200 workers at Boeing facilities in St. Louis; St. Charles, Missouri; and Mascoutah, Illinois, voted to reject a modified four-year labor agreement with Boeing,

About 3,200 union members at Boeing facilities in Michigan and Illinois went on strike at midnight on Monday after rejecting an offer from the company, the union said.