A 17 year old male arrested in the Maghera area yesterday by detectives investigating the murder Piotr Krowka, , has been released on Police bail pending further enquiries.
The body was of Mr Krowka was discovered at a derelict property on Glen Road in Maghera on Tuesday, April 3.
Police say he sustained a severe attack.
A 19-year-old male also arrested this week over the attack has since been freed on bail pending further police enquiries.
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