The Royal Newfoundland Constabulary continued to search for Josh Miller Wednesday as his friends continue to worry about the 20-year-old's whereabouts.

The friends, including Chris Duke, joined the search in the Stavanger Drive neighbourhood of St. John's Tuesday night. The friends searched on-foot in the last area that Miller was known to be seen.

The RNC brought in K-9 and Mounted Units, as well as a Universal helicopter, to help with the search.

Duke met Miller through cadets about eight years ago. He says he's been working tirelessly to find his friend and find out what happened to him.

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Chris Duke, a friend of missing St. John's man Joshua Miller, says that he doesn't know what happened to his friend on Thursday night, but will keep searching until they find him. (CBC)

"Our efforts have been exhaustive. I mean, we've been working tirelessly with due diligence to try to figure out exactly what happened that night, and what has transpired since Friday morning," Duke said.

"A lot of it just seems out of character," he said. "Josh was always, even though being the life of the party, he was always one of the more responsible ones."

Duke was not with Miller on Thursday night last week, but he said there was an incident while Miller was downtown.

"Sadly, we weren't down there that night — he decided to go down with a few coworkers. We know there was an altercation that ensued, that's what led him to being put in the cab. And, as far as we know, this is where the taxi cab — the ride — ended for him, and he proceeded on foot into the woods."

Friends want him home safe

Cody Connolly also met Miller through cadets. He and other friends of Miller's have been following up on possible leads and staying in close contact with the Royal Newfoundland Constabulary.

He said that he's just hoping for his friend to return home safely.

"If you can hear us now, we're really just hoping for your safe return and no harm done," Connolly said. "We're just really worried about you and hopefully you'll show up."

He said that it's been a rough month for the group of friends.

"A couple of weeks ago we lost one of our cadet officers, as well, and now Josh is gone missing, so it's really sad and it's been a rough month for all of us, but hopefully Josh turns up," Connolly said.