article_snippet.sent: The reason for the plane crash is not yet known .
article_snippet.sent: Four people died in the tragic incident on Sunday .
article_snippet.sent: The four victims have not been officially named, and a small twin-engine plane is not known why a small twin-engine plane crashed.
article_snippet.sent: The four victims have yet to be named.
article_snippet.sent: Unfortunately, it was discovered there were four souls on board
article_snippet.sent: and unfortunately all four perished.'
highlights_snippet.sent: Investigators in Florida trying to establish what caused the plane crash .