An official briefed on the attack on a Detroit airliner said Saturday the U.S. has known for at least two years that the suspect in the attack could have terrorist ties.
The commotion began as Northwest Airlines Flight 253, carrying 278 passengers and 11 crew members from Amsterdam, prepared to land in Detroit just before noon Friday. Travelers said they smelled smoke, saw a glow, and heard what sounded like firecrackers. At least one person climbed over others and jumped on a Nigerian man, claiming to be acting on the orders of Al-Qaida to blow up the airliner, who officials say was trying to ignite an explosive device.
The official told The Associated Press that the suspect, Umar Farouk Abdul Mutallab, has been on a list that includes people with known or suspected contact or ties to a terrorist or terrorist organization. The official spoke on condition of anonymity because the investigation is ongoing.
The Terrorist Identities Datamart Environment list is maintained by the U.S. National Counterterrorism Center. It includes about 550,000 names.
People on that list are not necessarily on the no-fly list. U.S. Rep. Peter King said Mutallab was not on the no-fly list.
King, the ranking Republican on the House Homeland Security Committee, said no federal air marshals were on the flights from Nigeria to Amsterdam and from Amsterdam to Detroit. Mutallab did not go through full-body image screening at either airport, the congressman said.
Democratic Rep. Bennie Thompson, the chairman of the House Homeland Security Committee, said Mutallab would have been re-screened at the Amsterdam airport after his flight from Nigeria. Thompson and others say the Amsterdam airport has long had a good reputation for security.
Thompson said he plans to hold a hearing in January about the incident.
"It's still safe to fly," Thompson said.
Peter Smith, a passenger on the plane from the Netherlands said following the incident that "it sounded like a firecracker in a pillowcase. First there was a pop, and then [there] was smoke."
Smith said one passenger, sitting opposite the man, climbed over passengers, went across the aisle and tried to restrain the man. The heroic passenger appeared to have been burned.
Afterward, the suspect was taken to a front-row seat with his pants cut off and his legs burned. Multiple law enforcement officials also said the man appeared badly burned on his legs, indicating the explosive was strapped there. The components were apparently mixed in-flight and included a powdery substance, multiple law enforcement and counterterrorism officials said.
The White House said it believed it was an attempted act of terrorism and stricter security measures were quickly imposed on airline travel. The incident was reminiscent of Richard Reid, who tried to destroy a trans-Atlantic flight in 2001 with explosives hidden in his shoes, but was subdued by other passengers.
Multiple law enforcement officials identified the suspect in Friday's attempted attack as Umar Farouk Abdul Mutallab. He was described as Nigerian.
One law enforcement official said the man claimed to have been instructed by Al-Qaida to detonate the plane over U.S. soil, but other law enforcement officials cautioned that such claims could not be verified immediately, and said the man may have been acting independently - inspired but not specifically trained or ordered by terror groups.
All the officials spoke on condition of anonymity because the investigation was continuing.
The man was being questioned Friday evening. An intelligence official said he was being held and treated in an Ann Arbor, Mich., hospital. The hospital said one passenger from the flight was taken to the University of Michigan Medical Center in Ann Arbor, but referred all inquiries to the FBI.
Melinda Dennis, who was seated in the front row of the plane, said the man involved was brought to the front row and seated near her. She said his legs appeared to be badly burned and his pants were cut off. She said he was taken off the plane handcuffed to a stretcher.
One law enforcement official, also speaking on condition of anonymity, said Mutallab's name had surfaced earlier on at least one U.S. intelligence database, but he was not on a watch list or a no-fly list.
The flight began in Nigeria and went through Amsterdam en route to Detroit, said Rep. Peter King, R-N.Y., the ranking GOP member of the House Homeland Security Committee. A spokeswoman for police at the Schiphol airport in Amsterdam declined comment about the case or about security procedures at the airport for Flight 253.
Schiphol airport, one of Europe's busiest with a heavy load of transit passengers from Africa and Asia to North America, strictly enforces European security regulations including only allowing small amounts of liquid in hand luggage that must be placed inside clear plastic bags.
After the attempted attack, passengers to the U.S. were being frisked at the gate as an added security measure, said KLM spokeswoman Mirjam Snoerwang.
A spokesman for the Federal Airports Authority of Nigeria, Akin Olukunle, said all passengers and their luggage are screened before boarding international flights. He also said the airport in Lagos cleared a U.S. Transportation Security Administration audit in November.
"We had a pass mark," Olukunle said. "We actually are up to standards in all senses."
Delta Air Lines Inc., which acquired Northwest last year, said a passenger caused a disturbance, was subdued, and the crew requested that law enforcement officials meet the flight.
Passenger Syed Jafri, a U.S. citizen who had flown from the United Arab Emirates, said the incident occurred during the plane's descent. Jafri said he was seated three rows behind the passenger and said he saw a glow, and noticed a smoke smell. Then, he said, "a young man behind me jumped on him."
"Next thing you know, there was a lot of panic," he said.
Federal officials said there would be heightened security for both domestic and international flights at airports across the country, but the intensified levels would likely be "layered," differing from location to location depending on alerts, security concerns and other factors.
Passengers can expect to see heightened screening, more bomb-sniffing dog and officer units and behavioral-detection specialists at some airports, but there will also be unspecified less visible precautions as well, officials said.
The FBI and the Homeland Security Department issued an intelligence note on Nov. 20 about the threat picture for the holiday season, which was obtained by The Associated Press. At the time, officials said they had no specific information about attack plans by al-Qaida or other terrorist groups.
President Barack Obama was notified of the incident and discussed it with security officials, the White House said. Officials said he is monitoring the situation and receiving regular updates from his vacation spot in Hawaii.
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