Three youngsters have been arrested after a 17-year-old boy was stabbed at a metropolis bus station.
Thomas Taylor died in hospital after the incident close to a bus station in Bedford at 17:50 GMT on Wednesday.
A 17-year-old suspect and two 18-year-old youngsters had been arrested on suspicion of homicide and brought into police custody for questioning.
On Thursday, a person in his 60s was arrested on suspicion of helping an offender, however was launched on bail pending additional enquiries.
Det Inspector Richard Stott, main the investigation for the drive's main crime unit, appealed for extra witnesses.
This breaking information story is being up to date and extra particulars will likely be printed quickly. Please refresh the web page for the total model.
You can get breaking information in your smartphone or pill by way of bbc information appyou can too observe @BBCbreaking on X To get the most recent alerts.
With inputs from BBC