Today, 19 year old Shelton Sibandi has appeared at Chippenham Magistrates charged with murder after the death of Roger Millar in Swindon.
The teenager was arrested after the killing in the early hours of Wednesday morning.
Roger Millar was found in Barnum Court, Rodbourne with stab wounds - he was later pronounced dead at hospital.
Police soon arrested two 18 year olds who've both been released on police bail until late July.
A 17 year old has also been released on police bail but a 27 year old who was arrested at 8.30pm last night is still being questioned.
Today officers have charged Shelton Sibandi but enquiries still continue as Senior Investigating Officer Matt Davey said: "This continues to be a fast moving investigation. We would like to thank the public for coming forward and their support. However, we would still like to hear from anyone who has not yet spoken with us and we continue to urge witnesses to come forward."
Shelton Sibandi is due to appear at Bristol Crown court tomorrow.
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