Stuart Walker was found dead after being attacked and burnt last weekend in what could have been a homophobically motivated attack.
An 18-year-old teenager has been taken in for questioning over the murder of the openly gay 28-year-old barman.
Police officers believe the attack was not random and it was highly likely that Mr Walker knew his attacker.
Police are continuing the investigation their investigation into the ‘horrific’ crime.
Stuart Walker was last seen at around 2:30am on October 22 near Glaisnock Street fire station.