The Ondo State Security Network Agency, known as Amotekun Corps, has arrested 53 suspects allegedly connected to various offences.
The offences include kidnapping, murder, attempted murder, burglary, stealing and cultism.
Among those arrested were 21 undocumented foreign nationals reportedly found in two apartments in Owo.
The corps also disclosed the arrest of suspects allegedly involved in a staged or self-kidnapping operation designed to mislead security agencies and members of the public.
Authorities said investigations into the cases are continuing.