How to enter the competition for tickets

Entrants must text the answer to a multiple choice question to 84599 after 8am this morning and before midnight on 12 June.

You can also enter the lottery by post.

But, whichever way you decide to enter, you must be over 16.

Please remember: the concert is being organised by Live 8 - not by the BBC.

HOW TO ENTER Answer the question: Which city is nearest to the G8 summit in July? A) Berlin, B) Moscow, C) Edinburgh Text the letters A, B or C to 84599 between 8am Monday and midnight Sunday 12 June Calls cost �1.50 (plus operators' standard network rate) Competitors must be at least 16 Answers can also be sent on a postcard to Live 8 Ticket Competition, PO Box 4026, Leamington Spa, CV31 9AZ by 1300 BST on 10 June

After 12 June a computer will randomly select 72,500 people with the correct answer, to receive a pair of tickets.

Organisers say the first �1.6m raised from the text competition will go to The Prince's Trust which is sharing a proportion of the income with Help a London Child.

The rest, after paying the costs of the concert, will go to the Band Aid Trust.

G8 summit

On the same day as the Hyde Park gig there will be concerts in Philadelphia, Paris, Berlin and Rome.

The gigs, which are part of the Make Poverty History campaign, come four days before leaders of the world's richest countries meet in Gleneagles, Perthshire, for the G8 summit.

The ticket competition closes on June 12 and organisers will use a computer to select the winning entries at random. Each winner gets a pair of tickets for next month's concert.

There's no limit to how many times you can enter - but you must be at least 16 years old.