A new study into the effect of cannabis on Multiple Sclerosis has concluded that it doesn't slow down the progression of the disease as has been claimed in the past.
The drug is prescribed to sufferers to relieve pain and muscle spams.
The report's author Professor John Zijicek says trials like this are rare:
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The chancellor now faces the prospect of forming a minority government or calling for a snap election.
The 73-year-old said a return is unlikely "given the politicised atmosphere that seems to have afflicted our set."
Chancellor Philip Hammond said the UK will make a financial proposal to the EU in the next three-and-a-half weeks.