Washington [US], August 27 (ANI): American singer-songwriter and record producer Mariah Carey expressed her heartbreak and revealed how she lost her mother Patricia and sister Alison who died on the same day in a tragic turn of events. The Grammy-winning singer confirmed this news to PEOPLE magazine. She shared, “My heart is broken that I’ve lost my mother this past weekend. Sadly, in a tragic turn of events, my sister lost her life on the same day.” While she did not share the cause of their deaths, 55-year-old singer has urged people to “respect her privacy” during this “impossible time.” “I…