The Queen is growing more concerned about Tony Blair's plans to sign a European constitution that she fears could undermine her role as sovereign.
The Telegraph has learnt that Buckingham Palace has asked for documents highlighting the constitutional implications of the EU's plans to be sent to her advisers.
Her worries came to light as Tony Blair prepared for an EU summit today in Brussels, where European leaders will begin final negotiations on the text of a new EU treaty.
As the head of state, the Queen sees weekly briefing papers from Government departments, including the Foreign Office, which has helped negotiate a draft text of the constitution with Britain's EU partners.
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