The 9/11 attacks of 2001 – in pictures
This gallery contains sensitive images that some viewers may find distressingTwenty-five years ago, as New Yorkers woke to crisp blue skies after a storm the day before, two planes – United Airlines Flight 11 and Flight 175 – were hijacked in Boston by terrorists loyal to the al-Qaida leader, Osama
<p>This gallery contains sensitive images that some viewers may find distressingTwenty-five years ago, as New Yorkers woke to crisp blue skies after a storm the day before, two planes – United Airlines Flight 11 and Flight 175 – were hijacked in Boston by terrorists loyal to the al-Qaida leader, Osama </p>