Nightly News | April 22, 2013
>>> in the midst of the boston story came another one this afternoon. another terrorist plot, unrelated, troubling nonetheless. this one was thwarted. it targeted passenger trains , routes from the u.s. to canada among the potential targets. nbc's stephanie gosk has been working the story all day. good evening.
>> reporter: good evening, brian. the two are not canadian citizens but have been living in the country. they were planning to derail a train with direction from al qaeda elements in iran. nbc news learned trains originating in the u.s. were scouted as possible targets. the investigation called operation smooth has been ongoing for a year with help from the fbi and the u.s. department for homeland security . canadian authorities emphasized the plot was in the planning stages and the public wasn't the in imminent danger but the suspects had the capacity and intent to follow through. officials say there is no connection to these suspects and the boston marathon bombing. brian?
>> stephanie, thanks.