Two teenagers who were arrested on suspicion of the murder of Wymondham's Raymond James Quigley have had their bail extended.
The 18-year-old - known as James - was stabbed in Westgate Street, Ipswich on on January 17 this year after being approached by two other males.
He died at the scene after suffering four stab wounds to the abdomen.
Alfie Hammett, of Larkhill Rise, Rushmere St Andrew and Joshua Howell, of Wellington Street, Ipswich were charged with murder two days later and kept on remand in youth detention ahead of a December 11 trial.
But on June 20, police also arrested an 18-year-old man from Norwich and a 16-year-old boy from the Fenland area of Cambridgeshire on suspicion of murder.
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The unnamed pair were both taken into police custody for questioning and released on bail until September, pending further enquiries.
Suffolk police have now confirmed the two teens' bail has since been extended.
A spokesman said: "Both teenagers remain on bail. There are currently no charges."
Police also confirmed the trial of Hammett and Howell - both 18 years old - is still scheduled for December 11.
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