article_snippet.sent: Three children have died as one remains in a serious condition after a car crashed into a lake outside of Melbourne this afternoon.
article_snippet.sent: Police believe that all children are under the age of six.
article_snippet.sent: Police later confirmed three of four children died .
highlights_snippet.sent: All the children are aged under seven years old .
  
highlights_snippet.sent: Three children have been confirmed dead by Victoria police .
  