London Bombers Tied to Al Qaeda Plot in Pakistan

Two Key Figures Still at Large, Officials Say
At least two men who have connections to last week's London bombings are alive and still at large.
The first is a man, who was seen on surveillance tapes at Luton station, located outside of London, as he bid farewell to the four bombers the morning of the attacks. The other is Magdy El Nashar, an Egyptian chemist, who attended and received training at North Carolina State University. British police think El Nashar may have helped the London group build their bombs before leaving England two weeks before the attacks. They have since issued a worldwide alert for him....