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.
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Holidaymakers have been describing the terrifying moment they were caught up in an earthquake which hit parts of Greece and Turkey.
Friday night's forecast for the west of the region
Friday night's forecast for the east of the region