The mother of a baby mauled to death by a dog was downstairs with her boyfriend at the time, police have said.
Chief Superintendent Chris Bithell of Lancashire Police called the incident "absolutely horrific" and said both suspects will be questioned by detectives today.
The baby was upstairs in a bed in one of the front bedrooms and the two people who are currently in custody, they were downstairs when the attack took place.
More top news
Given how dependent the rest of world is on China, it's $33 trillion debt could affect the UK - and here's why.
"Their fictitious state has fallen," an Iraqi military spokesman said after forces were said to have recaptured the landmark mosque from IS.
The sister of one of the Hillsborough victims said her father made her promise to "get truth and justice" on his deathbed.