He then returned to the site and made another phone call to the police. When he saw the train approaching, he also waved in a bid to get the driver's attention to stop.
He said the carmaker was partnering with automotive supplier Bosch, on automatic braking systems, and was testing safety measures like a deployable hood.
He said the ultrasonic device has not been put into use in everyday policing yet, as trainers are still figuring out the best way to make dogs respond appropriately to different sounds.
He urged authorities to strike hard against drug-related crimes and put more effort into key areas. Drug production and trafficking networks must be destroyed, and gangs involved in drug-related crimes and their "protective umbrellas" must be broken up. Xi requires that the soil that breeds drug problems be eradicated.
He suggested the legislature list terrestrial wildlife and make it clear that eating, hunting, breeding, processing and purchasing such animals is illegal and must be punished.
He said the operation had been running for three months. Investigations are ongoing into how many sets were sold over that period.
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He spoke during a debate on strengthening peacekeeping in Africa initiated by China as rotating president of the Security Council this month.
He said the phone was a "masterwork of engineering" and that it folded in an "almost perfect" manner, while its 5G capacity would help "change the world that we currently know".
He said the investment yield for enterprise annuity also plummeted to a five-year low of 3.03 percent last year.
He said the border wall with Mexico will be "a smart, strategic, see-through steel barrier -- not just a simple concrete wall," adding that "it will be deployed in the areas identified by border agents as having the greatest need."