A Washington state man was arrested Sunday for allegedly setting a trailer on fire and killing three children and a woman inside, police said.
Matthew Timothy Wetherington, 34, of Port Angeles, was being held on four counts of first-degree murder and arson, the Port Angeles Police Department said in a statement.
Wetherington was seen running from the scene early Saturday morning as a fire ignited at the Welcome Inn Trailer Park in Port Angeles, northwest of Seattle, police said.
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Bodies that appeared to be a woman and three children were recovered from the trailer, the statement said.
Police did not identify them, but an earlier statement said four of the trailer's residents — Valerie Kambeitz, 34, and three children under 10 — were unaccounted for.
Authorities initially described Wetherington as an unaccounted for person of interest in the case. He was later found at a campsite that is being investigated as a crime scene, NBC affiliate KING-TV reported.