In graphics: How September 11 attacks unfolded in America in 2001

US is remembering the 9/11 attacks with moments of silence, volunteer work and other tributes 21 years after the deadliest terror attack on US soil in 2001

The United States of America (US) is remembering the 9/11 attacks with moments of silence, volunteer work and other tributes 21 years after the deadliest terror attack on US soil. 

Also Read: US marks 21st anniversary of 9/11 terror attacks

Here's a graphic timeline of how the September 11 attacks unfolded in the US in 2001.

Graphics: AFP

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