The death toll from catastrophic flooding in Texas over the July Fourth weekend has surpassed 100 as the massive search continues for missing people.

The search for unlikely survivors grew more desperate four days after one of the deadliest U.S. floods in decades. Ten campers and a counselor are among those still missing.

The death toll from historic flooding in Texas' Hill Country rose to 104 Monday as Camp Mystic girls summer camp confirmed 27 campers and counselors died. Several other people remain missing.