Twenty-five years ago today, Islamist terrorists hijacked four US passenger aircraft and attacked key symbols of American power.

For a quarter century, the US has drone-struck weddings, abducted and tortured people at black sites and blown up fishermen, spreading terror in the name of fighting it

As the 25th anniversary of the September 11 attacks approaches, we want to hear from readers about where you were and what you remember of that historic moment in 2001