Nashville Police released a video of the moment of the explosion 'believed to be a suicide bombing'

Nashville, Tenn. - Police camera captured the moment of the explosion in downtown Nashville on Christmas Day that injured three people and damaged dozens of buildings.

Authorities in Tennessee on Sunday named a 63-year-old Nashville resident as the perpetrator of the Christmas morning bombing. Earlier, investigators believed that the blast was likely a suicide bombing.

On Sunday, the FBI said there was no indication of additional suspects involved and that it was too early to suggest a motive.

The blast outside a telecoms office disrupted communications systems in Tennessee and four other states.