Nashville PD releases photo of RV connected to the explosion this morning

The Nashville Convention & Visitors Corporation contributed $10,000 contribution toward a reward for information. The amount for that reward kept growing and the last total reported is over 

$300,000.

At an evening update, Nashville Police Chief John Drake said investigators have found tissue at the site of the explosion that is being examined and "could be human remains." at the site explosion . Chief Drake said there were "No known fatalities."