Kate Middleton and Wills 'to announce engagement in summer'

Royal wedding speculation grew yesterday after claims that Buckingham Palace has 'cleared its diary' for a June announcement of an engagement between Prince William and Kate Middleton. According to well-connected former editor and author Tina Brown, aides plan to announce on either June 3 or 4 that a wedding will take place in November. Miss Brown was a personal friend of William's mother