Question to the Home Office:

To ask the Secretary of State for the Home Department, pursuant to the Answer of 12 February 2019 to Question 217557 on undocumented migrants, what proportion of freight vehicles are screened for people being smuggled into the UK.

I refer the Rt. Honourable member for Dover to the answer of 12 February which states:
We have also invested tens of millions of pounds in new infrastructure to enhance border security, with all freight vehicles entering the UK screened using a range of techniques, which include using carbon dioxide detectors and motion sensors as well as sniffer dogs to detect clandestine on board lorries.