bul·le·tin
 /ˈbʊlətən/  noun  ,  pl   -tins [  count  ]
  1 : a quick announcement from an official source about an important piece of news
   The television/radio program was interrupted for a news bulletin.
   We've just received a (news) bulletin: the election has been decided!
  2 : a short piece of writing that an organization publishes to give news about itself : newsletter
   a church bulletin