off on the air here in the west tonight. kayna, thank you. all morning long here, families and parents were arriving, waiting to hear. one father with that photo of his son i mentioned, hoping someone had seen him, and then he learned the news. the heartbreak. so many lives lost here, so many parents losing sons and daughters. for so many families tonight, an agonizing wait, as we're now hearing about the lives lost. so many of the victims young. including 18-year-old alaina housley, a freshman at pepperdine university, there at the restaurant, line dancing with her friends. tonight, her family saying, "alaina was an incredible young woman, with so much life ahead of her." and 23-year-old justin meek, who loved music and the outdoors. he was a recent graduate of cal lutheran university and worked as social worker helping to support families and children with special needs. tonight, he is credited with heroically saving lives during the tragedy. blake dingman was 21. tonight, his girlfriend writing, "my heart is hurting more than