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
Liverpool edged an epic penalty shootout to beat Middlesbrough and progress to the fourth round of the Capital One Cup.
The world famous musical, which has been running on Broadway since 1997, has broken records earning more than £2.8 billion.
There will be wet weather around tonight with rain drifting from north to south which will lead to scattered showers tomorrow morning.