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Ariel Avila, an analyst who tracks violence, said that in the last four years, there have been 28 attacks in the capital with explosives. While the majority has been carried out with low-grade homemade materials and grenades that have damaged property but left no casualties, he said police intelligence and checkpoints surrounding the city need to be reinforced to prevent more attacks.

As China's independent refiners, or teapots, see their costs rising thanks to the country's new taxation system and higher crude oil prices, insiders are urging them to shift focus to the high-end market to avoid their margins being further crushed.

Approximately 1.6 million applicants are qualified to take this year's national civil service exam, up by more than 10 percent year-on-year, reflecting a growing interest in working for the government.

Artificial chemicals in food have also affected domestic food safety and international market access.

Apple and Samsung saw their numbers?decline over this time last year, dropping approximately 9 percent and 25 percent respectively. The other three companies in the top five — Lenovo, Huawei and Amazon — saw?increases over last year.