Elderly Hong Kong parents have so far sought right of abode in the city for 78 of their mainland-born “overage children,” the government said, as a group continued a 25-day sit-in outside government headquarters to press for the family reunions. The group, led by veteran human rights activist Father Franco Mella, urged authorities for “humanitarian considerations” to resolve the longstanding issue which separated some elderly residents from their mainland-born children – many of whom are already adults. They began the demonstration last Friday, with the 25-day duration marking the 25 years sin…