A policeman patrols inside a subway station in New York on September 25, 2014. Iraq's prime minister Haider al-Abadi, who is attending the 69th session of the United Nations General Assembly in New York, said his country's intelligence operation has uncovered a plot for an attack on subway systems in the United States and Paris. AFP PHOTO/Jewel Samad (Photo by Jewel SAMAD / AFP)        (Photo credit should read JEWEL SAMAD/AFP via Getty Images)