A man was taken to hospital after being assaulted in the street in Blackpool.
A 23-year-old man is today being questioned by police following the incident, on the junction of First Avenue and Arnold Avenue, in South Shore.
Officers were called to the incident at 9.25pm last night after being alerted to the assault.
A male victim was taken to Blackpool Victoria Hospital before being transferred to Royal Preston Hospital.
A spokesman for Lancashire Police said: “A 23-year-old man has been taken into custody and is still being questioned.”
A nearby resident reported seeing around five police cars in the area and police cordons in place for around four hours.
It is thought the victim and his alleged attacker were known to each other.