Search efforts continue for a fourth day as a girls' summer camp confirms 27 children and staff are dead, with five campers and one counsellor unaccounted for.

Flash floods that swept through Texas over the Fourth of July weekend have left more than 100 people dead and dozens of others missing.

A massive Texas search and cleanup effort was set to enter its fifth day Tuesday in response to Guadalupe River flooding that surged through the area on July 4.