watertown where the individuals were apprehended and what happened earlier on monday a couple blocks from me. i'm going to go to drew griffin on the scene in watertown where these arrests have taken place. drew, what can you tell us? >> reporter: we just got a note apparently from state police spokesman david pru cope i can't -- i don't want to go with that just yet. i can tell you we do believe from our eyewitness, david ramirez, that two young men have been taken into some sort of custody here in watertown. both of them taken into custody behind me which is a four or five-square block area that's cordoned off and there's a huge, huge police presence here. actually, we're going to have gabe step right in here. because he was -- gabe, urm positioned over behind us. >> dexter and nichols. >> tell us what you saw from the moment you stepped on the scene. >> so, i followed a couple of squad cars down nichols street