Detectives have launched a murder investigation after a teenager was stabbed to death in south-west Birmingham.

Police were called by paramedics treating an 18-year-old man for serious injuries on Tennal Road, Harborne, at 7.15pm. The victim was pronounced dead at the scene shortly after.

Officers have confirmed that they have arrested a 19-year-old man on suspicion of murder.

Det Insp Michelle Allen, from West Midland police’s homicide team, urged witnesses to come forward.

“A young man has sadly lost his life and we are keen to hear from anybody with information which can assist our enquiries,” she said.

A cordon has been put in place to enable investigations to be carried out. A tent has been erected as forensic officers scour the scene, according to local media reports.

Anyone with information can contact West Midlands police through Live Chat between 8am and midnight or contact Crimestoppers anonymously on 0800 555 111.