(Zaporozhye, Ukraine)  --  A daredevil act by a Ukrainian couple who could not wait to get home to have sex has ended in tragedy.  Russian news outlets say the two lovebirds were having sex on some railroad tracks when a train crashed into them last Saturday morning.  The woman was killed instantly, while her partner survived but reportedly lost both of his legs.  Ukrainian Interior Ministry officials say the couple "wanted to experience an extreme sensation near the railroad tracks."  Both people are believed to have been drunk at the time.