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, 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,