Reeves considers breaking manifesto pledge with income tax rise to fill £30bn gap

Exclusive: Treasury discussions include possibly adding 1p to basic rate or raising higher or additional tax rates

Rachel Reeves is considering raising income tax at next month's budget to help reduce a multibillion pound shortfall, sources have told the Guardian.

The chancellor is in active discussions over breaking one of her party's main manifesto pledges as she looks for ways to clear an estimated shortfall of more than 30bn, according to three sources close to the budget process.