stairwells to safety and they began this morning evacuating the most critical first including a woman pregnant with twins who had gone in premature labor. the helicopters have been taking the most krill cat patients to a neighboring hospital. one of the hospitals is in pensacola, a three-hour drive. which is why they flying the patients. back in front of the hospital, dr. patel reassuring his wife, her husband awaiting double bypass surgery. >> there was water every where. we were terrified. >> reporter: tonight, the hospital telling us they plan to have most of the patients out within 48 hours. good luck with the move. i'm glad he's okay. >> thank you. >> reporter: all of it as first responders now go through the community knocking on front doors. butch browning is the louisiana state fire marshall.