A murder probe has been launched after a social worker was stabbed to death while visiting a Preston home.
Police were called to Glebe Close in Fulwood, close to the old Sharoe Green Hospital site, following reports of a knife attack.
When officers arrived at 11.30am on Monday they found the alleged attacker to be in an "agitated state".
The officers found the 47-year-old victim - who was later named as Philip Ellison, a father-of-three from Penwortham - with multiple stab wounds and he subsequently died.
A spokesman for Lancashire Police confirmed a man aged 51 had been arrested and added: "We are not in a position to release any further details at this stage. The man has been arrested on suspicion of murder and taken to Preston police station."
Mr Ellison worked directly for Lancashire County Council as part of the adult and community services department, a council spokesman confirmed.
>> Knife death arrest captured on phone>> Social worker stabbed to death was father-of-three>> See video footage from the crime scene>> Residents shocked at death on 'quiet' streetChris Cheetham, cabinet member for adult and community services at Lancashire County Council, said: "My first thoughts are with his family and friends. It is a dreadful loss.
"I don't expect to get messages saying a member of my staff has been killed.
"Some of our social workers work with people who have the potential to do harm, mostly to themselves but also to other people.
"I know social workers get a lousy press, but it should remind people they do an important and sometimes dangerous job."
If you would like to pay tribute to Mr Ellison, leave a comment below using our registration system or email the Lancashire Evening Post newsdesk at lep.newdesk@lep.co.uk>> Cordon goes up around scene of suspected murderSee Tuesday's Lancashire Evening Post for more coverage of this story.>> Vote in our latest web poll