The prime minister no doubt used her visit to Saudi Arabia to desperately seek trade deals that will help cobble together a plan to combat the monumental act of self-harm that is leaving the single market.

What she should have done was have a moment of conscience and think about the people of Yemen.

International charities say Yemen is in the grip of a perfect storm of war, economic meltdown and humanitarian crisis. Yet while British aid is helping to save lives there, the country is being being pounded by British arms, sold to our Saudi Arabia allies, exacerbating the situation.

Yemeni families face a daily nightmare of falling bombs, a critical lack of clean water and food which leaves the country teetering on the