Australian police have found the remains of a 20-year-old man taken by a crocodile while swimming at night in the Daly River south of the community of Darwin.

The man disappeared while swimming with his brother across the crocodile-infested river at on Friday.

Police and wildlife rangers searched on land and in the water for the man's body on Friday and again Saturday morning.

The search was called off after the remains of the man were found upstream from where he was attacked.

Police have destroyed a crocodile believed to be responsible for the attack.

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