Steelworkers march on parliament as prime minister promises compensation

Fates of Redcar mill and Tata and Caparo plants in balance as business secretary calls emergency summit on steel industry and trade regulations

David Cameron has pledged to award backdated compensation for high energy costs to struggling British steel producers as soon as the government gets clearance from Brussels.

The prime minister's promise was delivered as steelworkers travelled to Westminster to make the case for political intervention in the industry.

Related: Life after steel: can Redcar rise from the ashes?

Related: Government promises support for British steel industry