A 40-year-old man has been arrested after apparently threatening a woman with a knife in St Annes.
Lancashire Police were called to Derbe Road at about 4.15pm. When they got there they saw a man brandishing a weapon at a window.
An armed response unit and trained negotiator were dispatched.
After a two-hour stand-off the man left the scene and was arrested.
Both he and a 35-year-old woman were taken to hospital to be treated for minor injuries.
A number of weapons were found and police say an investigation is underway.