Two teenagers, best friends for years, wrote a suicide note, sat down on the railroad tracks and were run over by a train.

Susan Zingales and Julie Pallach, both 14, were killed instantly late Tuesday by a commuter train traveling from Chicago to suburban Fox Lake, police said.The girls, who attended the same school and played on the same basketball team, left a joint suicide note.

"The note basically said, `This is the only way out. We have a stressful life. Love always,' " Round Lake police Sgt. Mike Kemmerer said.