TOKYO - Japan on Wednesday enacted a law tightening regulations on the use of drones, expanding no-fly zones for unmanned aircraft from about 300 meters around designated key facilities to about 1,000 meters, as part of counterterrorism steps.

While the specific areas to be covered have yet to be revealed, many facilities in Tokyo's Chiyoda and Minato wards are expected to be included, such as the Imperial Palace, the prime minister's office and the U.S. Embassy, with some no-fly zones potentially extending beyond 1 kilometer depending on geographical features.

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