NHL star David Pastrnak announces death of newborn son

Hockey star David Pastrnak announced Monday on Instagram that his infant son has died. The Boston Bruins star and his girlfriend, Rebecca Rohlsson, welcomed their first son, Viggo Rohl Pastrnak, on June 17. He died at just six days old.

"We have an Angel watching over us and we call him SON. You will be loved FOREVER," Pastrnak wrote on Instagram, asking followers to respect the family's privacy as they go through "these heartbreaking times." The Bruins also posted a statement on Twitter. "We are heartbroken by the passing of David and Rebecca's son, Viggo," the statement reads. "David and Rebecca are a part of our family and we share in their loss. Please keep them in your thoughts and respect their privacy during this very difficult time." Several NHL teams replied to the tweet with their condolences.