Footage has emerged of a group of Jewish boys being chased and harassed by a car, as the occupant yells racial slurs.

Emergency services were called to Cressy – about 140km west of Melbourne – after reports a freight train and car had collided.

Former Australian Open champion Stan Wawrinka turned the clock back to come from a set down and beat unseeded Serb Laslo Djere.

As children across the state prepare to return to school, many parents say their kids have been unaffected by the social media ban.

A 13-year-old girl is the sole survivor and has been airlifted to hospital.