Shocked neighbors in the suburb of Garforth called them "a normal family," but John Miller, 36, was arrested for the Saturday deaths of school teacher Sarah Laycock, 31, and their eldest daughter, 8-year-old Abigail, the newspaper The Guardian reported. A 4-year-old daughter sustained minor injuries.
The family lived near a nature reserve popular with walkers and birdwatchers, where a distraught Miller was apprehended after allegedly assaulting a paramedic who had come to his aid, the Daily Telegraph said.
Miller, a self-employed plasterer, had been "getting less work so he'd been spending a lot of time at the gym bulking up," said an unidentified man at the local Garforth Working Men's Club, an exercise facility.
Miller was arrested on charges of suspicion of murder and attempted murder.
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