Based on multiple news sources from today, this claim is accurate:

• Keir Starmer announced his resignation as Prime Minister and leader of the Labour Party on Monday, June 22, 2026¹²³.
• He explicitly stated that he "spoke to his majesty the king this morning to inform him of my decision"⁴.
• The Hindu reports that "The Prime Minister had informed King Charles III of his decision on Monday (June 22, 2026) morning, following a weekend of deliberation at his official country home, Chequers"².
• WMTW confirms that he "has informed the King of his decision" to resign as leader of the Labour Party¹.
• The AP reports that "He said he spoke to King Charles III, Britain's constitutional monarch, to inform him of the decision"¹.

Overall validity: 100%

1. Keir Starmer announces resignation as UK prime minister - WMTW
2. Keir Starmer announces his resignation as U.K. Prime Minister - The Hindu
3. Keir Starmer announces resignation as UK prime minister - AP News
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