Four arrests have been made after the death of a New Zealand detainee in Australia.
Rob Peihopa, 42, died on Monday night at the Villawood Immigration Detention Centre.
Staff say he died from a suspected heart attack.
But fellow detainee Vaelua Lagaaia says two Tongans, one Samoan, and one Fijian have been arrested.
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He says the Australian Federal Police have locked people out of their rooms to do searches, and as a result four people have been arrested.