David Cameron is set to attempt to calm Conservative nerves with a major speech on the economy on Thursday.
Downing Street aides said it will aim to drive home the Prime Minister's message on the need to stick to the course on economic policy.
Ministers have been voicing their opposition to any potential cuts to their departmental spending ahead of the Budget later this month.
More top news
Swiss police have arrested a man suspected of carrying out a chainsaw attack which injured five people.
Low pressure dominates our weather through the rest of this week
ITV News witnesses the young victims of the world's worst humanitarian crisis amid an outbreak of the greatest spread of cholera ever known.