Gentilly, New Orleans lying between the London Avenue Canal and Bayou St. John, fall outside of Gentilly, as do the Lakefront subdivisions of Lake Terrace and Lake Oaks, and the Lakefront campus of the University of New Orleans. Apart from the natural high ground along the Gentilly Ridge and the Lakefront section, itself raised above sea level on man-made land created by a project of the Orleans Levee Board in the early 20th century, Gentilly was badly damaged following Hurricane Katrina. The London Avenue Canal floodwalls were breached in two places by Katrina's storm surge, flooding most of the area. Gentilly's population has
Effects of Hurricane Katrina in New Orleans news networks citing blogs like Interdictor and Gulfsails for reports of what was happening in the city. Amateur radio provided tactical and emergency communications and handled health-and-welfare enquiries. By September 4, a temporary communications hub was set up at the Hyatt Hotel in downtown New Orleans. The first television pictures out of New Orleans shown on national TV were from Houston's ABC owned and operated KTRK which flew its helicopter to New Orleans in the days after the storm. Most of the city's major roads were damaged. The only route out of the city was east to the east bank