Residents observe day of prayer after 69 people killed and 11 girls and one camp counsellor still unaccounted forResidents in central Texas were observing a day of prayer on Sunday for at least 69 people killed and others missing in Friday’s devastating flash flooding, as a search and rescue operation for survivors began to morph into a grim exercise of recovering bodies.Relatives continued an anxious wait for news of 11 girls and one camp counsellor still unaccounted for from a riverside summer camp that was overwhelmed by flash flooding from the Guadalupe River, which rose 26ft (8 meters) in 45