Luton street stabbing: Man arrested
A motorist has been stabbed to death in a street in Luton.
The victim, in her 70s, was attacked in Trent Road at about 15:00 GMT on Monday. She was treated at the scene by paramedics but died shortly afterwards.
A man in his 50s, who is known to the woman, was arrested on suspicion of murder after being detained by members of the public and is being questioned.
Ch Insp Jonathan Hutchinson said he was keen to trace anyone who could have information.
He said: "This is obviously an extremely difficult time for the victim's family but our officers are working with them to establish what happened prior to the incident."
He said the killing was an isolated incident.