heat wave June 29, 2021 7:23 am Dealing With Dangerous Heat When a heat wave hits, many animal organizations remind people not to leave pets in the car, which quickly heats up to dangerous and even deadly temperatures. US & World Videos 3:38 Tech Tuesday: TikTok testing ‘Notes' 6:39 Boston criminal defense attorney breaks down Day 1 of Karen Read trial 2:36 Karen Read trial begins with opening statements Monday 2:09 Staffer at Kipp Academy in Lynn stabbed by student 1:49 Out-of-control truck smashes sign outside Mass. ice cream shop