UK EV drivers prescribed medical cannabis should know the ‘in charge’ rules...

https://dlf-ne.org/what-is-the-biggest-mistake-prescribed-patients-make-at-charge-points/

UK EV drivers prescribed medical cannabis should know the ‘in charge’ rules mean you can be tested even while parked and charging. A roadside swab can detect THC, and if over 2 micrograms per litre in blood, it risks prosecution