SIX people are still being quizzed over the murder of a Chinese restaurant owner in Randalstown, County Antrim.
A seventh person arrested for questioning about the murder of Nelson Cheung has now been freed.
A 43-year-old man arrested on Saturday has been freed has been released unconditionally.
Nelson Cheung, 65, died and his wife, Winnie, 57, was injured after they were attacked and stabbed on the Caddy Road.
Their car had been forced off the road as they returned from their restaurant they owned in Randalstown.
Mr Cheung died from multiple stab wounds.
Those still in custody at the PACE suite at Antrim police station a 14-year-old and a girl of 16.
Detectives from the PSNI’s Major Investigation Team have renewed their appeal for information about the attack that happened in the early hours of Thursday.
The couple’s car was intercepted by two other vehicles on the Caddy Road.
Mrs Cheung managed to raise the alarm at a nearby house.
When police arrived at the scene a short time later, they discovered Mr Cheung’s body lying in a pool of blood.
His attackers stabbed him repeatedly as they stole his night’s takings from the restaurant.