A “person of interest” has now been identified by detectives investigating the explosion in Nashville, Tennessee.
They have now had more than 500 leads and say they are beginning to piece together the incident like a “huge jigsaw puzzle”. The explosion, which occurred on Christmas Day, was detonated from a motorhome which gave a 15-minute warning that it would explode, causing people in the nearby area to evacuate their homes.
Although dozens of nearby buildings were damaged and three people took to the hospital it is reported that no-one suffered any serious injuries from the blast.
The motive for the explosion remains unknown.
Investigators from the ATF and FBI are working closely together to try and piece the incident together.
FBI special agent Doug Korneski said in a statement released on Boxing Day that there was no indication of more threats and other explosive devices had not been found.
Investigators know that the motorhome arrived in downtown Nashville at 1.30 am on Christmas morning.
Police officers who arrived at the scene at 5.30 am that morning to reports of “automatic rifle fire” discovered the motorhome was giving out a warning for people to evacuate with the blast detonating half an hour later.
US attorney Don Cochran praised the efforts of the police for leading people to safety saying they “literally ran into danger” and said he was “quite confident their actions are one of the reasons there was less loss of life.”
Authorities have said the explosion was a “deliberate” act intended to “bring chaos and fear in this season of peace and hope.”
A three-day state of emergency has been imposed at the scene of the blast, preventing people from entering.
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