Queen Elizabeth II is suffering from "episodic mobility problems" and will not attend the opening of Parliament, Buckingham Palace announced Monday.
Instead, Prince Charles will appear in her place Tuesday and deliver a speech with his son Prince William in attendance.
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"The Queen continues to experience episodic mobility problems, and in consultation with her doctors has reluctantly decided that she will not attend the State Opening of Parliament tomorrow," the Buckingham Palace statement said.
"At Her Majesty’s request, and with the agreement of the relevant authorities, The Prince of Wales will read The Queen’s speech on Her Majesty’s behalf, with The Duke of Cambridge also in attendance. "