John Herbst, a former US ambassador to Ukraine, said while the steps were "excellent", their implementation would be critical.

Ministers have suggested they are keeping an open mind about a future investigation if it becomes clear that survivors want one, along with the implementation of Prof Jay's recommendations.

Prof Jay said: "Our mission is not to call for new inquiries but to advocate for the full implementation of IICSA's recommendations."

However, implementation of the law didn’t go into effect until the start of this month.

“It’s just something they have to live with, based on the legislation that’s in place and the implementation of the mandates.”