CEYLANPINAR (TURKEY), Oct. 24, 2019 (Xinhua) -- Members of Syrian rebel groups allied with Turkey are seen in the Turkish border town of Ceylanpinar, on their way to northern Syrian town of Ras al-Ayn, on Oct. 23, 2019.

WASHINGTON, Oct. 24, 2019 (Xinhua) -- Facebook CEO Mark Zuckerberg testifies before the U.S. House Financial Services Committee during An Examination of Facebook and Its Impact on the Financial Services and Housing Sectors hearing on Capitol Hill in Washington D.C., the United States, on Oct. 23, 2019.

SANAA, Oct. 24, 2019 (Xinhua) -- The representative of the UNICEF in Yemen Sara Beysolow Nyanti (2nd R) speaks at a press conference in Sanaa, Yemen, on Oct. 23, 2019. More than 5,000 Yemeni children have been killed or injured since the war erupted between the Saudi-backed exiled Yemeni government and Iran-allied Houthi rebels in March 2015, the representative of the UNICEF in Yemen said Wednesday.

GABORONE, Oct. 23, 2019 (Xinhua) -- Incumbent President Mokgweetsi Masisi (L) of the ruling Botswana Democratic Party casts his vote at a polling station in Moshupa, Botswana, Oct. 23, 2019. Botswana kicked off its 12th general election on Wednesday at 7 a.m. local time (0500 GMT) with all the 2,296 polling stations opened on time across the 57 constituencies.