More charges over Sydney salon murder

Three more people have been charged following the stabbing murder of a man inside a Sydney hair salon.

On Thursday, an 18-year-old man was arrested at an address in Bossley Park about 11.40am and charged with being an accessory before the fact to murder.

A 22-year-old man and a 17-year-old boy were also arrested at a Bossley Park home on Wednesday and charged with being an accessory after the fact to murder.

All three have been refused bail.

Alfredo Isho, 20, died in hospital four hours after being stabbed at a hair salon in the suburb last Friday.

An 18-year-old, Fredon Laith Botrus, is accused of stabbing him in the upper body before fleeing.

He remains behind bars and is due to face Fairfield Local Court in March.

The 18-year-old arrested by police on Thursday morning is due to appear in Fairfield Local Court on Friday.

The 22-year-old was listed to appear in the same court on Thursday and the teenager to face a children's court on Thursday.