SAMBALPUR: A boy and his sister died after accidentally falling into a well in Ghusramal village under Kisinda police limits on Tuesday. They are Dibakar Pradhan (8) and his two-year-old sister Bidusmita Pradhan. The children had accompanied their mother to the village tank for bathing. After some minutes, she found both the children missing. During search, villagers found them in a small well.