They also alert them to any danger. The fire would alert the local defence forces to the threat. These calls may alert other animals to predators. The radar cannot be used in alert or evasion mode. While stopping at a gas station, they accidentally alert security. This breed is active, alert and lively. Kailash panics and decides to not to alert the police. The VNDMO advised for all residents under the red alert to remain indoors. Informers alert authorities regarding government officials that are corrupt. Erik digs up a radio beacon that will alert the CIA to their presence. Wayne is able to call Lou to alert him of the kidnapping. Everyone was placed on a heightened state of alert. He was able to alert some neighbors and summon them over to help. Alarmed, Tango rides off to alert Saburo. Four boats are on station ("hard alert") in designated patrol areas at any given time.