Criminals have been exploiting the EU Settlement Scheme by falsely claiming couples were married.
The fire service said several were hurt - one seriously - in the blaze at a house in Baseball Drive, Normanton.
A suspect who was arrested and bailed is now in hospital awaiting a mental health assessment.
Police say a man had been arrested after a woman was assaulted on Monday morning.
MP for Normanton and Hemsworth, Jon Trickett, on where Labour has gone wrong.
Mandy Riley was stabbed 11 times by Thomas Turner after she refused to give him money.
Thomas Turner stabbed Mandy Riley 11 times in the neck at her home in Normanton, police say.
Six men have been sentenced for involvement in five commercial cannabis farms across Yorkshire.
Thomas Turner, 64, from Derby, stabbed Mandy Riley at a property in Normanton last year, police say.
