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David Choi   Foreign nationals are arrested during a targeted enforcement operation conducted by US Immigration and Customs Enforcement (ICE) agents in Los Angeles, Feb. 7, 2017.Charles Reed/US Immigration and Customs Enforcement via AP Immigration and Customs Enforcement (ICE) officers have arrested hundreds of people in a nationwide sweep in what they called a routine "enforcement surge." The moves, however, were seen by immigration advocates as a consequence of President Donald Trump's  recent executive orders  on immigration. According to officials  cited  by The Associated Press, the five-day operation was designed to round up undocumented immigrants who have criminal histories and pending deportation orders. Hundreds of arrests - from Atlanta to Chicago to New York, Los Angeles, North Carolina, and South Carolina - drew backlash from several immigration advocacy groups. ICE officials arrested about 160 people in Southern California alone. "This is not nor

A mobile app helped Chinese authorities recover hundreds of missing children last year, Xinhua news agency reported on Saturday, in a country where child trafficking is rampant. The Ministry of Public Security said 611 missing children were found last year, Xinhua said. The "Tuanyuan", or "reunion" in Chinese, app developed by Alibaba Group Holding Ltd was launched in May and has allowed police officers to share information and work together. Users near the location where a child has disappeared receive push notifications, including photos and descriptions. Notifications are sent to users farther and farther from the location of the disappearance if the child is still not found. A new version of the app in November has expanded its reach through cooperation with other popular mobile apps, such as Alibaba's online shopping website Taobao, search engine Baidu, Tencent Holdings Ltd's instant messaging software QQ and mobile ride-sharing platform Didi Chuxi