THE Nashville explosion was "likely a suicide bomb," officials have said, after human remains were found amid the blast and FBI raided the home of a lone suspect.

Officials are reportedly swabbing Nashville explosion suspect Anthony Quinn Warner's mother for DNA amid a suspected suicide bombing theory, officials told Newsweek.

Investigators are reportedly getting a DNA sample from Warner's mother to see if it would be similar to human remains found after the Christmas Day blast, officials told the outlet.

If the DNA is found linked to the human remains in the RV, it would likely mean the incident was a suicide bombing, one official told Newsweek.

The reported DNA sample came as officials were seen investigating a home that previously belonged to Warner on Saturday.

FBI and other investigators were seen at the Nashville home – which reportedly had an RV similar to the one seen in the Friday blast parked outside.

Nashville police told The Sun on Saturday evening they are unable to confirm the identity on a person of interest.

Multiple reports have named Warner as the alleged suspect, however.

More to follow…

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