Dijana Hrka's world fell apart on Nov. 1 last year, when tons of concrete crushed her son to death at a train station in Serbia. The partial building collapse killed 16 people and has sparked countrywide anti-government protests.
The 47-year-old Hrka has become the rare family member of those killed to speak out. She has appeared at protests to the applause of thousands of mostly young people who accuse autocratic President Aleksandar Vucic 's government of corruption in construction and other matters.
