The KSDMA on Saturday said that the CBS mechanism for providing rapid alerts about natural and man-made disasters and emergencies has been temporarily put on hold on the directions of the NDMA. Kerala State Disaster Management Authority (KSDMA) member secretary Sekhar Kuriakose said in a statement that the National Disaster Management Authority (NDMA) sent a letter on Friday night asking that the cell broadcast system (CBS) be put on hold. "The letter has been sent to all states," Kuriakose said in an audio message.