China has barred online gamers under the age of 18 from playing video games on weekdays and limited their play to just three hours most weekends, marking a significant escalation of restrictions on the country's massive gaming industry. Starting this week, minors will be allowed only an hour of play time between 8pm and 9pm on Friday, weekends, and public holidays, according to a statement from Chinese media watchdog, the National Press and Publication Administration. Authorities say the restrictions have been put in place to help prevent young people...