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Solar Impulse 2 on Tuesday completed its historic round-the-world journey, becoming the first airplane to circle the globe powered only by the sun to promote renewable energy. Cheers and applause broke out as the plane touched down before dawn in Abu Dhabi after the final leg of its marathon trip which began on March 9 last year. Swiss explorer and project director Bertrand Piccard was in the cockpit during the more than 48-hour flight from Cairo, crossing the Red Sea, the vast Saudi desert and flying over the Gulf.
A knife-wielding former employee killed 19 people and injured 25 at a care centre for the mentally disabled in Japan on Tuesday, in the country's worst mass killing in decades. Authorities identified the attacker as Satoshi Uematsu and said he had worked at the facility in Sagamihara, a city of more than 700,000 people west of Tokyo, until February. Broadcaster NTV said the man told police he had been fired and held a grudge against the care centre.