Pope Francis, the voice for world's most vulnerable, dies at 88 after decades of advocacy

Pope Francis, the Argentinian pontiff who brought the plight of the world's most marginalized back to the center of the Roman Catholic Church's attention, has died aged 88, the Vatican announced. Pope Francis was known for his efforts to address issues such as poverty, inequality and climate change during his nearly a decade-long papacy. The cause of death is not yet known. His legacy will be remembered by Catholics around the world for years to come.