Search under way for 20-year-old hiker missing in Grampians national park

Police concerned for autistic man who went walking near Halls Gap and hasn’t been seen since calling family from lookout on Wednesday

Crews in Victoria are searching for a 20-year-old hiker missing in the Grampians national park after he called his family from a scenic lookout.

Jack went on a hike near Halls Gap in the Grampians/Gariwerd park about 250km west of Melbourne on Wednesday, Victoria police said in a statement on Thursday.