A man and woman have been arrested on suspicion of attempted murder after a man was found with stab wounds.
Officers were called to the Camp Hill Industrial Estate on John Kempe Way, Bordesley, at 6.30am today (27 December).
They discovered a 37-year-old man with injuries, he was taken to hospital in a critical condition.
It's believed he was involved in a disturbance around 25 minutes earlier at an address in Priestley Road, Sparkbrook.
A 65-year-old man and a 60-year-old woman were arrested on suspicion of attempted murder.
They remain in custody.
Police say the investigation is at an early stage, but are treating it as a domestic-related incident.
Anyone with information is asked to contact police via 101.
Alternatively, contact Crimestoppers anonymously on 0800 555 111.