local January 9, 2024 6:00 am 3 dead in Nahant after apparent carbon monoxide leak Three people were found dead Monday evening in an incident that appears to involve carbon monoxide in Nahant, Massachusetts, according to authorities. US & World Videos 3:17 What happened to Boston teen gunned down 30 years ago? 2:47 Karen Read trial Day 9: John O'Keefe's friend testifies 2:13 Police clear pro-Palestinian encampment at MIT 1:40 Body found in vehicle in Allston tow lot 2:00 Karen Read trial Day 9: Julie Albert to testify again Friday