23-year-old Nigerian named suspect

Probes into an attempted bombing on a trans-Atlantic flight are underway in both the United States and Britain.

The Federal Bureau of Investigation says the suspect in the incident on a Delta Airlines plane is a Nigerian citizen unaffiliated with terrorist organizations.

Meanwhile, British police are seeking relevant clues in London.

FBI officials have identified the suspect as 23-year-old Abdul Mutallab. He claimed to be acting on orders from Al Qaida but, after rounds of interrogation, it was discerned that he is not a member of any known terror groups.

On the other side of the Atlantic Ocean, University College London says a student with the same name as the suspect studied mechanical engineering there between September 2005 and June 2008.

This picture shows Northwest Airlines Flight 253 on the runway after arriving at Detroit Metropolitan Airport from Amsterdam on Friday, Dec. 25, 2009. A passenger aboard the plane set off firecrackers Friday, causing a commotion and some minor injuries, a Delta official said.(Xinhua/AP Photo)