south end. nicole? nicole: jc, the recovery effort is active and complicated. take a look. they have drained that trench of water and secured that entire area. they have searched the entire area for the bodies of these two men trapped earlier this afternoon. screaming someone was down there. nicole: witnesses described a chaotic scene with little time to react. >> there was a guy leaning, trying to get the guy out, or whatever. he could not get him. nicole: a construction crew working in a trench on dartmouth street monday afternoon when the unthikable happened. >> all of a sudden water started rushing. nicole: so much water coming at least four men were others were trapped.