POSTED: 6:27 am PST March 25, 2005 UPDATED: 6:31 am PST March 25, 2005 LOS ANGELES -- Los Angeles police will look into an error made by a K-9 explosive detection unit at Los Angeles International Airport earlier this week that prompted officials to evacuate a terminal. Officials say the LAPD unit left a bag containing explosive powder unattended after a training exercise Tuesday. An FBI agent later noticed the bag and alerted airport police. When an airport K-9 officer and his dog arrived to examine the bag, the bomb-sniffing dog failed to detect the explosives. An airport police officer...