Later, Taoiseach Leo Varadkar is due to arrive. It comes after a new power-sharing government was formed by Stormont's five main parties on Saturday.
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Prime Minister Boris Johnson and Secretary of State for Northern Ireland, Julian Smith, First Minister, Arlene Foster and deputy First Minister Michelle O'Neill | freelance
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Prime Minister Boris Johnson and Secretary of State for Northern Ireland, Julian Smith, First Minister, Arlene Foster and deputy First Minister Michelle O'Neill | freelance
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Prime Minister Boris Johnson and Secretary of State for Northern Ireland, Julian Smith | pa
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