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    Actor Kirstie Alley dies at 71

    01:16
  • Tampa police chief resigns after showing badge during traffic stop

    02:03
  • Leaders react to Trump questioning Constitution

    03:55
  • Wild animal attacks on two young girls caught on camera

    02:53
  • Waukesha Christmas parade returns one year after tragedy

    02:43
  • Volcano erupts in Indonesia sparking concern as Mauna Loa eruption continues

    02:18
  • Families give victim impact statements after ‘Torso Killer’ pleads guilty

    02:21
  • Volunteering in your community could help with depression

    03:03
  • Groundbreaking Brooklyn art exhibit honors lives lost from police encounters

    02:05
  • Mauna Loa’s lava could impact critical highway on Hawaii’s Big Island

    01:21
  • North Carolina power outage caused by targeted attack

    02:17
  • Trial begins for Texas cop charged with fatally shooting Atatiana Jefferson

    04:39
  • Michael Avenatti sentenced to 14 years for fraud scheme

    00:26
  • Former 'Say Yes to the Dress' designer speaks on career pivot

    04:06
  • Prosecutors: Quadruple homicide suspect asked for $300,000 before carrying out killings

    01:41
  • Body camera footage shows Tampa police chief flashing badge at traffic stop

    00:53
  • Florida deputy killed when roommate 'jokingly' fired gun thought to be unloaded

    01:50
  • Children’s medicine in short supply due to surging respiratory illness

    01:51
  • Taylor Swift fans sue Ticketmaster over pre-sale disaster

    03:51
  • Warnock, Walker make final push ahead of Georgia’s Senate runoff election

    06:15

U.S. cities hiring chief heat officers to combat rising temps

03:46

A growing number of cities are hiring chief heat officers to help mitigate the effects of extreme heat and plan for the future as temperatures continue to rise. NBC News' Chuck Todd reports.