Humberside Fire and Rescue Service has tweeted its "thoughts and prayers" for the families of the five people, including three children, who lost their lives in a house fire in Sheffield.
Shocking news of the five people who lost their lives in a Sheffield house fire overnight. Thoughts and prayers with the families. @syfr
More top news
Nigel Farage warned on Friday Britain was "far less safe" and exposed to Cologne-style sex attacks because of open-door immigration.
Arthur Simpson-Kent, 48, admitted killing Ms Blake and their sons according to his lawyer.
Two brothers have been arrested on suspicion of murder after their parents were found dead in their own home over the weekend.