Nashville explosion: Police chief says they’ve found tissue that ‘could be remains,’ says had no ‘pre-warnings’ about blast

Nashville Police Chief John Drake said they had found tissue that “could be remains” on Friday but said they need to examine further to determine if there was a definite connection to the blast that took place in the city's downtown and if it is human remains. He also said the blast was a “total surprise” and they had not had any “pre-warnings” or threats that this was going to take place.