Maps show how heavy rainfall and rocky terrain helped create the devastating Texas floods that have killed more than 120 people.

US regulators reportedly altered official maps of flooding risks to remove many of the buildings at a camp in Texas where 27 children died in severe floods. Citing official records, the New York Times and Associated Press said maps by the Federal Emergency Management (Fema) in 2011 had initially considered the popular summer camp to be in high risk of flooding.

Camp Mystic owners successfully appealed to the Federal Emergency Management Agency to redesignate some buildings that had been considered part of a flood-hazard zone.