Search for missing hiker in SA

A search is underway for a hiker missing in Wilpena Pound in South Australia's Flinders Ranges.

Police say the Victorian, aged in his 60s, was last seen at the Wangara Lookout on Tuesday morning.

He had been expected to return from his walk soon after but has not been seen since.

Police, local rangers and members of the State Emergency Service are all involved in the search.