Earlier, Boeing's boss warned the firm was at a "crossroads" as losses surged to roughly $6bn.

Striking Boeing workers have rejected a new offer from the plane-making giant, which included a 35% pay rise over four years.

The International Association of Machinists and Aerospace Workers (IAM) union said 64% of its members voted against the proposed deal.

More than 30,000 of Boeing’s employees have joined the walkout, which started on 13 September, after an initial offer was rejected.