Police in the central province of Nghe An Wednesday said they were conducting tests on the bodies of two panthers and one tiger that had been found slaughtered two days before.
Nghe An police department of environmental crimes (PC49) said the animals were found together with a skeleton and a head, suspected of belonging to a lion, in a house owned by Le Xuan Thoan, 53, in Dien Lam Commune.
Some 50 kilograms of animal bones were also found stored in a freezer on site.
Thoan was taken into custody, local newspaper Tuoi Tre reported.
According to police, they have been investigating the wildlife trade case since last month.
Investigations are ongoing.