NEW DETAILS: Iran Link Probed in Foiled UK Terror Plot

Five men were arrested in the U.K. for an alleged terror plot targeting a U.S. airbase. While Iran denies involvement, U.S. Secretary of State Marco Rubio suggests foreign actors were involved. Expert Brian Stern warns that the use of native-born citizens for such plots makes detection difficult and poses a significant security threat both in the U.K. and the United States.