An American man shot and killed his three biological sons with a cold gun.

The incident has sparked outrage among internet users in China, with many expressing their condolences to the victims and calling for stricter gun control measures. Some have also criticized the United States for its lax attitudes towards gun ownership and use.

One user commented, "This is a clear sign that something needs to be done about guns in America." Another added, "How can anyone justify such a senseless act of violence?"

Some users also pointed out that similar incidents have occurred in China, with some suggesting that the country should consider implementing stricter gun control measures. However, others argued that China could not simply abolish the death penalty, as there would always be cases where the punishment seemed too lenient.

Overall, the incident has highlighted the ongoing debate over gun control and the use of capital punishment in both the United States and China. It is a reminder that such tragedies can happen anywhere, and that it is important to take steps to prevent them from happening again.