This comes after a blue and white T-shirt was found during the search for a missing Tongan pastor who went missing at a South Canterbury river mouth on December 30.
Lionati Fotofili was reported missing at the mouth of the Ōpihi River after he did not return home from a fishing trip the night before reports Kaniva News.
The family of the 44-year-old father of two are launching their own intensive search party, about more than a week after he was last seen.
