Detectives investigating a house fire which killed Andrew Broadhead and his daughter Kiera in Wakefield arrested two men over the weekend.
The men aged 24 and 28 were arrested on Saturday evening in the Wakefield area on suspicion of conspiracy to murder.
The 24-year-old was bailed last night pending continuing enquiries while the 28-year-old remains in custody.
Investigations remain ongoing into the fatal house fire On Ash Crescent, Stanley, at about 4.20am on Wednesday October 19 which caused the deaths of Andrew (42) and Kiera (8) remain ongoing.
Detective Chief Inspector Nicola Bryar of the Homicide and Major Enquiry Team, said: "We are continuing to conduct extensive enquiries into the fatal fire at Ash Crescent and are continuing to appeal for witnesses."
"Anyone who has information or who saw suspicious behaviour outside the property just before 4.20am is asked to contact the Homicide and Major Enquiry Team on 101."
"Information can also be given in complete anonymity to the independent Crimestoppers charity on 0800 555 111."
Sowerby Bridge Restaurants Scoop Top Industry Honours
Magical Day of Dragons and Fairies Coming to Cliffe Castle
Police Appeal After Two Vehicles Seized in Bradford
Leeds Pair Charged Over Alleged Illegal Knife Sales on Social Media
New Plan to Shape Future of Blackburn Railway Station
Police Renew Appeal 21 Years After Fatal Shipley Arson Attack
South Asian Art Exhibition Opens at Cartwright Hall
Drivers Caught Using Dead Man's Name to Avoid Motoring Fines
Four jailed after Leeds revenge plot ends in friend's death
Lane rental schemes to launch across Leeds, Wakefield and Kirklees
Bradford Council confirms traffic camera plans at busy junctions
Sixty arrests in Kirklees domestic abuse crackdown
Alim OnAir
Bhangra Nights
The Golden Era
Remix Saturdays