Xinhua world news summary at 0030 GMT, Jan. 24

ANKARA -- At least 260 members of Kurdish People's Protection Units were killed at Turkey's offense into Syria's Afrin district since Saturday, the Turkish army said on Tuesday.

The "Operation Olive Branch" continues successfully and as planned, the Turkish Armed Forces said in a written statement. (Turkey-Syria-Kurd)

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MONTREAL -- The sixth round of North American Free Trade Agreement renegotiation kicked off in Montreal Tuesday with worries of uncertainty of the outcome.

Coinciding with the start of the World Economic Forum in Davos, Switzerland, Canadians have raised concerns about a U.S. withdrawal from the treaty which was signed by Canada, Mexico and the U.S. and went into force on Jan. 1, 1994. (Canada-NAFTA-Talk)

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DAMASCUS -- Over 10,000 people have been killed since the U.S.-led anti-terror coalition started its operations against the Islamic State (IS) in Syria in September of 2014, a monitor group reported on Tuesday.

Altogether 2,815 civilians, including 655 children, and 7,396 IS militants were among those killed, said the Syrian Observatory for Human Rights. (Syria-U.S.-Military Operation)

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CHICAGO -- A shooting in a southwest Kentucky high school on Tuesday morning has left two students dead and 17 injured, said Kentucky Governor Matt Bevin.

Bevin told a press conference at Marshall County Board of Education that the shooter was a 15-year-old male student, who was taken into custody and would be charged with murder and attempted murder. (U.S.-Chicago-Shooting) Enditem