A 22-year-old man (arrested on suspicion of murder) and a 34-year-old woman (arrested on suspicion of assisting an offender) were bailed until June.
A 20-year-old man (arrested on suspicion of murder) remains in custody.
More top news
The owner of a dog that chased a sheep off a cliff has been cautioned by police.
The deaths of a couple with links to West Sussex who were killed in Tunisia has been confirmed by the Foreign Office.
Tuesday Evening's Pollen Forecast