Britain has dramatically increased the value of weaponry and defence equipment it sells to the world’s most repressive regimes since vows by senior ministers to expand arms exports after the Brexit vote.

Thailand and the European Union (EU) have signed a new tariff rate quota deal, under which a predetermined number of the kingdom's goods can be exported to the bloc at pre-Brexit tax rates.

The humble Melton Mowbray pork pie is at the centre of an unlikely political dispute about British exports.