The entertainment world is mourning the loss of David Gail, best known for his roles in “Beverly Hills: 90210” and “Port Charles.” Gail passed away at the age of 58, with details of his death yet to be made public. Gail’s sister, Katie Colmenares, took to Instagram to express her sorrow at her brother’s tragic death. Accompanied by a photograph of her and Gail, her post reflects a deep sense of loss. She shared her feelings about the irreplaceable void left by her brother’s passing, emphasizing their close bond and saying he was always by her side. The initial announcement of Gail’s passing wa…