The Prime Minister will use a speech to Interpol to tell the world to ‘wake up to the severity of this challenge’.

Rachel Reeves said she had been ‘wrong’ because she did not ‘know everything’ about the state of the public finances.

The Chancellor is expected to set out a number of economic reforms in the coming weeks aimed at boosting growth.

Sir Keir Starmer is expected to announce a new team of investigators who will use counter-terror powers to tackle people smugglers.