Thousands of scrapped taxis are pictured at a yard in the center of China's Chongqing city on March 4. Traffic congestion and pollution have worsened dramatically in Chinese cities as the country's long-running economic expansion has allowed increasing numbers of consumers to make big-ticket purchases such as cars. China may surpass the US this year to become the largest car market in the world. AFP/Newscom
With a disputed vote in Crimea set for Sunday, a powerful eight-minute cyber-attack was launched against Ukraine Thursday in the form of a large denial-of-service attack, originating in Russia, that hammered a computer network, cyber-security experts said.