A teenager was being questioned last night about the murder of a Polish man in Northern Ireland.
The 16-year old was arrested last night and is being held at Antrim Serious Crime Suite over the killing of Marek Muszynski (40) in Newry, Co Down, on Tuesday.
Officers have also been granted a further 36 hours to question a 13-year-old boy, an 18-year-old man and a 21-year-old woman.
Mr Muszynski, who lived in Newry, was found beaten to death in the city centre
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The body of Mr Muszynski, from Sandys Street in the town was discovered off Upper Edward Street in the lane behind the city swimming pool just before 1am on Tuesday.
PA