A 27-year-old Bognor man has been arrested as part of a murder inquiry.
Detectives investigating the death of Polish worker Marek Pudlowski in August said he came forward after they released CCTV footage of a man they wanted to speak to.
Sussex Police said he was arrested "on suspicion of being involved in the murder of Marek Pudlowski".
He has been released on bail while the investigation continues.
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