Police have turned their attention to the southern Auckland and Waikato regions in the search for an Auckland man who has been missing for 40 days.
Sandringham man Ronny Oneke, 60, was last seen at a New World supermarket in Mount Roskill on April 28 and reported missing five days later.
Okeke attempted to call his wife, who lives overseas, at around 11am on the day he was last seen but did not pick up when she tried to call him back.
Detective Inspector Glenn Baldwin said police were keeping an "open mind" surrounding the circumstances in this case.
"This is still a missing person’s enquiry but, naturally, we have serious concerns for Ronny, given the length of time since he was last heard from."
Police were appealing for dashcam footage captured around the Kaimai Summit Loop Track and Ramarama — specifically those travelling in these areas between 10pm on April 27 and 7pm on April 28.
"We would also ask anyone who stopped at a lay-by between these locations with footage to contact us," Baldwin said.
"We understand that this is a broad request, but we are appealing to anyone with footage to make contact with us, so that we can establish whether it may be relevant to the inquiry."
Search warrants were executed at two Auckland properties as part of the investigation late last month.
Police urged anyone with information about the missing man to call 105.
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