7 July 2005, London

Is this the beginning? Is it a one off?
Please let there be no retaliation against groups who are not responsible.
How horrifying for those who were there, and for those who loved people who lost their lives. But the sheer numbers of people who were hurt, or witnesses will go ensure the impact of this day goes on in hearts and minds for years to come.
For the facts, check out the BBC news