A steel maker is to cut more than 350 jobs due to “challenging” market conditions.
Liberty Steel has announced about 282 jobs will go at its plants in South Yorkshire, and about 72 in Newport, south Wales.
The firm said it was consulting with trade unions and hoped to avoid compulsory redundancies.
Ross Murdoch from the GMB union described the losses “as more bad news for the UK steel industry”.
Downing Street said it was “monitoring the situation closely”.
The proposed redundancies include 250 in Stocksbridge, 17 in Rotherham and 15 at Brinsworth in South Yorkshire, and 72 in Newport.
The firm said it employed just under 2,000 people at its South Yorkshire plants.
Liberty Steel said the job cuts follow a review of its UK business, leading to a decision