Xinhua world news summary at 0030 GMT, Dec. 31

MEXICO CITY -- Three vehicles crashed into each other and burst into flames on a highway in south Mexico's Guerrero state, killing 10 people, including five members of a vacationing family visiting from the U.S., officials reported on Saturday.

The accident, involving two SUVs and a motorcycle, took place shortly before midnight Friday, on the highway linking the beach resorts of Acapulco and Ixtapa-Zihuatanejo, the state's Secretary of Civil protection said. (Mexico-Crash)

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MONROVIA -- Liberia's president-elect George Weah on Saturday said improving the welfare of Liberians would rank as his top most priority when he takes office in January.

Weah, who spoke for the first time after he was declared as the winner of the presidential run-off election in the country on Friday, vowed to assemble a government that will be dedicated to delivering a new lease on life for the Liberian people. (Liberia-President-elect)

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JERUSALEM -- Israel launched on Saturday a second strike on a Hamas post in the Gaza Strip, saying it was a response to a rocket fire from the coastal enclave a day before.

"This evening IAF (Israel Air Force) fighter jets targeted an observation post belonging to the Hamas terror organization in the southern Gaza Strip," a military spokesperson said in a statement. (Israel-Strike-Hamas)

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DAMASCUS -- The Syrian authorities unearthed 115 bodies from a mass grave discovered in Syria's northern province of Raqqa, state news agency SANA reported.

The bodies are of civilians and soldiers killed by the Islamic State militants, who had been controlling the city before their downfall late this year. (Syria-Bodies-IS) Enditem