The death toll in Kerr County crept up to 87 on Tuesday as search and rescue efforts continued in flood-ravaged central Texas, according to officials in the county worst hit by the disaster, which has killed more than 100 people.

Kerr County officials Tuesday appeared to dodge questions about how soon they were notified about deadly flash floods in central Texas and who was responsible for immediate response efforts, as law enforcement warned the death toll from the flooding will likely rise.

Kerr County, in Texas' flood-prone Hill Country, has suffered the highest death toll with 94 people confirmed dead. In other parts of Texas, 15 people have been confirmed dead; 161 people are known missing from Kerr County,