A frustrated audience member aimed his comments directly at Ms Thornberry and said: “I have to say, I’m not too sure but Emily’s very quick to criticise the plan.
“But then what’s your plan? You know, there has to be a plan. We’re a small island. We haven’t got room for everyone.”
Ms Thornberry hit back by branding Mr Sunak’s plan a “gimmick” and saying Labour would target human-trafficking gangs.