They were in a meeting with liar Sajid Javid yesterday who claimed he tested positive so the NHS app pinged them both to self isolate but they refused because they know:
A) Sajid Javid is lying, he did NOT test positive and B) The NHS app is completely unreliable. Waste of taxpayers £1.2 billion.
Full story here: ⁣https://www.heraldscotland.com/politics/19450810.boris-johnson-rishi-sunak-will-not-self-isolating-despite-contacted-nhs-test-trace/