South Korea said on Saturday that it would use electronic wristbands on people who violated self-isolation rules to better contain the spread of the novel coronavirus. Prime Minister Chung Sye-kyun said the country would make self-isolation violators wear electronic wristbands since the number of cases of people breaching the self-quarantine in recent weeks has raised concerns. “After deep consideration, the government has decided to put electronic wristbands on people who violate self-isolation rules, such as...