Sunak will vow to tackle inflation and then lower taxes if he becomes PM

Ex-chancellor to kick off his Tory leadership campaign as speculation grows over who could back him

Rishi Sunak will kick off his leadership campaign on Tuesday with a promise to grip inflation and lower taxes, as speculation mounted over which candidates could swing in behind the former chancellor.

Sunak will promise a return to traditional Conservative economic values - and that means honesty and responsibility, not fairytales."