China has executed a couple who fatally killed two children by throwing them out of the window of an apartment building. According to BBC, the couple were executed in the south-western city of Chongqing on Wednesday. Zhang Bo - the father of the children - and Ye Chengchen were previously found guilty of killing a two-year-old girl and a one-year-old boy in 2020. Zhang had begun an affair with Ye and later divorced his wife, then began conspiring to kill his children.