Follow live updates on the Texas floods, where the death toll has surpassed 100, including Camp Mystic counselors and campers.

Texas Governor Greg Abbott said Tuesday that many of those who are not accounted for were staying in state’s Hill Country but did not register at a camp or hotel.

Camp Mystic says it’s grieving 27 campers and counselors. At least two dozen people were reported missing across the region Monday, though it is not clear how many people in total are still unaccounted for.

"We are grieving alongside countless Texans whose lives have been upended by this tragedy," he wrote in a statement on Instagram.

Texas-based Country singer Pat Green is grieving the loss of his brother, his brother's wife and two of their children swept away in the Texas Hill Country floods.