Bedfordshire Police said officers were called to Nunnery Lane at around 7pm on Thursday after reports three teenagers had been stabbed.

One of the victims, who has not yet been identified, was rushed to hospital with multiple stab wounds where he was pronounced dead shortly after.

Another teenager is being treated for potentially life-threatening injuries while the third victim also received serious, but not life-threatening, injuries.

Detectives are linking the attack to the stabbing of two other teenagers at around 4pm the same day around two miles away.

Police were called to reports two people had been attacked in Sundon Park Road.

One teenager received life-threatening injuries, while a second was left with serious but not life-threatening injuries. Both are being treated in hospital.

One man was arrested on suspicion of attempted murder in connection to this, and remains in police custody for questioning.

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Detective Inspector Lee Martin, from the Bedfordshire, Cambridgeshire and Hertfordshire Major Crime Unit, said: "Appalling violence in Luton cost a teenage boy his life yesterday, and left two others in life-threatening conditions.

"Incidents such as these have a significant impact on our residents. Our thoughts are first and foremost with the loved ones of the boy who lost his life in such tragic and awful circumstances."