Canada had been hoping to secure a trade deal with the US next month to avoid steep tariffs.

The BBC understands the car maker is considering the move amid the introduction of US tariffs.

The changes could cost up to £3bn which will have to come from higher taxes or cuts elsewhere, given the chancellor's self-imposed borrowing rules.

Plans to help those affected by benefits cuts into work are not "properly considered", officials tell the BBC.

Cuts to some disability benefits will only hit future claimants, not those already on it.