A man is in intensive care with life-threatening head injuries after being attacked in Essex.
The 47-year-old was found in an alleyway behind Rosemary Close, South Ockendon, on Wednesday night. He is in an induced coma at Basildon Hospital.
Police said a 20-year-old man was arrested and bailed on suspicion of assault occasioning grievous bodily harm.
Anyone with information is asked to contact police.
The man was found at about 2030 BST.