Police were called to Greyhound Way at around 5am on Sunday (February 16) after reports of a man with serious injuries.
Officers arrived within minutes and discovered the victim had suffered life-threatening wounds inside a nearby address on Stadium Road. He was rushed to hospital, where he remains in critical condition.
Inside the property, police also found a woman with injuries. Her condition is not life-threatening, and she is currently receiving treatment in hospital.
Arrest Made
A 21-year-old man from Southend has been arrested on suspicion of attempted murder. He remains in custody for questioning. Police believe all individuals involved knew each other.