A 15-year-old boy has been arrested on suspicion of murder.
A woman in her thirties was also detained on suspicion of assisting an offender.
Two additional teenagers have been charged in connection with this incident.
In the early hours of today (24/03), Police arrested a 15-year-old boy from the Walcot area of Swindon in connection with the murder of Owen Dunn.
[block_2]
In addition, a woman in her 30s was arrested on suspicion of assisting an offender.