A police officer in Blackpool was stabbed during a routien vehicle check this morning.
Lancashire Police say the stabbing occured jsut after 10am today.
In a statement, the force said: "A PC carried out a routine stop check on a vehicle on Westmorland Avenue in Cleveleys.
"As the driver emerged from the vehicle, a Peugeot van, the officer was attacked.
"He suffered serious injuries including a knife injury to his torso and facial injuries and was taken to the Royal Preston Hospital for treatment.
"His injuries are not life threatening."
The attacker drove off after the incident but was found not long afterwards in the "Poulton area".
Lancashire police said a 39-year-old man from Blackpool was being held in custody after being arrested on suspicion of attempted murder.