The Labour leader condemned the government for its role in supporting the Saudi-led invasion coalition and urged Theresa May to suspend arms sales to Riyadh and call for “an immediate ceasefire” through the UN.
Britain has licensed more than £3.3 billion in arms to Saudi Arabia since its bombing campaign against Yemen began in March 2015.
Mr Corbyn wrote: “At least 10,000 people have been killed since the conflict started in 2014 and seven million people are in extreme hunger.
“Food shortages and the cholera outbreak are a direct result of the continuing blockade of Yemen by the US and UK-backed Saudi-led coalition.”
He called for immediate steps to end the suffering of the Yemeni people and for a peaceful, negotiated solution.
Former international development secretary Andrew Mitchell branded Britain “dangerously complicit” yesterday in promoting a famine in Yemen through its support for Saudi Arabia.
Speaking in the Commons he said: “Are we not on the brink of witnessing in Yemen a totally preventable, massive humanitarian catastrophe, the likes of which we have not seen in decades?”