Intelligence reports have warned about an Al Qaeda plot to use Britons as human bombs for carrying out a 9/11 like terror attack in the United States as a 'tribute' to Osama Bin Laden.

According to the report by the Daily Mail, Al Qaeda's Khorasan group has been given the task of identifying the possible candidates, who hold either a British or European passport and could easily pass the security without raising any suspicion. It needs idle bombers, who can carry out a suicide attack, mid-flight, an Afghan intelligence official said.

It is reported that Al Qaeda bomb-makers, in the meantime, are working on developing an 'undetectable' explosive device that can be implanted inside the human body.

A senior Afghan intelligence official told the Daily Mail that the terrorist group, which once was headed by Osama Bin Laden, wants to target US cities. London and Paris are second 'preferred' locations for the terror attack, he added.

Khorasan wants to carry out a 9/11 like attack as a 'tribute' to Osama Bin Laden, the mastermind behind the series of four coordinated terrorist attacks in United States on the morning of 11 September, 2001.

Classified US intelligence reports also have found that Khorasan was testing various ways to hoodwink the airport security to bring bombs into airlines. It is believed that a possible terror attack by Khorasan was the reason why Transportation Security Administration in July decided to ban passengers flying to US from Europe and the Middle East to carry uncharged mobile phones and laptops.