Xinhua world news summary at 1530 GMT, March 15

MOSCOW -- Russia will try to retrieve the wreckage of a U.S. surveillance drone that crashed into the Black Sea on Tuesday, Russian Security Council Secretary Nikolai Patrushev said Wednesday.

"I don't know if we will be able to get the remains or not, but it is a must to do it and we will do it. I hope, of course, it will be a success," Patrushev told a Russian TV program. (Russia-US-Drone Crash)

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