May 22 Middle East news summary at 2200 GMT

RIYADH — The death toll from a blast at a Shiite mosque in eastern Saudi Arabia on Friday rose to 21, Al Arabiya news reported.
The explosion that targeted “Imam Ali” Mosque in Qudaih area of the Saudi city of Qatif also left 66 Shiite worshipers injured. (Saudi Arabia-Blast)
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CAIRO — At least 17 suspected Islamist militants were killed on Friday by the armed forces in the Egyptian province of North Sinai, an official security source told Xinhua.
Apache raids on a camp of the Sinai-based Ansar Bayt al-Maqdis (ABM) group have killed ten militants southern Rafah city. (Egypt-Attacks-Sinai)
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ABU DHABI — The Chinese envoy to the United Arab Emirates (UAE) on Thursday urged China and the UAE to further enhance their cultural exchanges, and promote mutual understanding between the two peoples.
Chang Hua, China’s ambassador to the UAE, made the remarks while addressing the opening ceremony of a photo show in Abu Ahabi titled “the UAE in the Eyes of Chinese.”(UAE-China-Exchanges)
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KHARTOUM — South Sudan military has fully controlled the oil-rich Upper Nile State after three-week heavy fighting against rebels, President Salva Kiir said in a statement on Friday.
“The Upper Nile has been freed from the rebels and from Johnson Olony (an army general who recently defected and joined the rebels),” said the statement. (S. Sudan-Rebels-Battles) Enditem