Two teenagers, a boy and a girl, were arrested on suspicion of murder, when a man was killed in Luton.
Bedfordshire police said that the officials were called to two men and a woman to report a dispute at Hambstone Road after 6 pm on Sunday.
In the 20s, a person was rushed to the hospital by emergency services with serious injuries, and was declared dead shortly after.
His next family is being supported by expert officers.
A boy and a girl, both at the age of 17, were arrested on Monday, Bal said.
The detectives caught one of the suspects after carrying out a warrant at a address in Luton.
Both remain in custody.
Detective Inspector Adam Bries said: “We are working hard to establish incidents that caused this change and loss of life of a young man.
“Our investigation will continue and we are asking anyone that information about this incident is to come forward.”
Anyone with CCTV, Dorbell or Dashashm footage from the time and location of the event should contact 101 with the quotes of OP Fernix, or an anonymous report to independent charity crimestoppers on 0800 555111.