Rachel Reeves will pledge to “fight” for “growth” and say that Britain “can do so much better” in a major speech, after Cabinet ministers were ordered to ditch policies that could stand in the way of growing the economy.

Chancellor expected to use major speech on Wednesday to announce Government support for third runway at Heathrow

British finance minister Rachel Reeves will say on Wednesday that she is ready for a fight to push forward her plans to speed up the country's slow-moving economy that have grown in urgency after this month's bond market slump.