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Arab heads of state, long divided by regional rivalries, are expected to unite at a summit on Sunday to oppose a U.S. decision to recognize Israel’s annexation of Arab lands captured in 1967.

UKRAINE-ELECTION Comedian in front as curtain rises on Ukrainian presidential election

KIEV (Reuters) - Ukrainians will cast their ballots in a presidential election on Sunday in which a comedian with no political experience and who plays a fictional president in a popular TV series is tipped to win the first round. U.S.

USA-IMMIGRATION-TRUMP Trump cuts aid to Central American countries as migrant crisis deepens

WASHINGTON/EL PASO, Texas (Reuters) - The U.S. government cut aid to El Salvador, Guatemala and Honduras on Saturday after President Donald Trump blasted the Central American countries for sending migrants to the United States and threatened to shutter the U.S.-Mexico border. USA-IMMIGRATION-TRUMP-REACTION

Frequent crossers of U.S.-Mexico border fret over threatened shutdown EL PASO, Texas (Reuters) - Workers and students who frequently cross the U.S. border with Mexico worried over the weekend about the impact on their lives if President Donald Trump follows through on a threat to shut entry points used by hundreds of thousands of people every day.

BUSINESS FACEBOOK-PRIVACY-REGULATION

Facebook CEO calls for updated internet regulations WASHINGTON (Reuters) - Facebook Chief Executive Mark Zuckerberg called on Saturday for regulators to play a “more active role” in establishing rules that govern the internet, as the world’s largest social media network struggles to defuse criticism.

PEOPLE-BEZOS-SAUDI Saudis gained access to Amazon CEO Bezos' phone: Bezos' security chief

WASHINGTON (Reuters) - The security chief for Amazon chief executive Jeff Bezos said on Saturday that the Saudi government had access to Bezos’ phone and gained private information from it. ENTERTAINMENT

MUSIC-STONES-JAGGER Rolling Stones delay tour as Jagger seeks medical treatment

LONDON (Reuters) - The Rolling Stones have postponed a tour of the United States and Canada to give singer Mick Jagger time to receive medical treatment, the veteran rock band said on Saturday. MUSIC-HALLOFFAME

British rock, female artists dominate Rock Hall of Fame induction NEW YORK (Reuters) - Musicians and fans gathered in New York City on Friday for a night of British band nostalgia mixed with calls for more inclusion of women as Janet Jackson, Stevie Nicks and The Cure were inducted into the 34th Rock and Roll Hall of Fame class.

SPORTS BASKETBALL-NCAA-PUR-UVA

Virginia edges Purdue in OT to reach first Final Four since '84 Virginia needed a wild buzzer-beating play to force overtime and had to survive a scoring onslaught by Purdue guard Carsen Edwards to advance to its first Final Four since 1984.

BASKETBALL-NBA NBA roundup: Harden's 50-point triple-double lifts Rockets over Kings

James Harden recorded a 50-point triple-double, and the Houston Rockets fended off the hot-shooting Sacramento Kings for a 119-108 victory on Saturday at Toyota Center. UPCOMING

POLITICS / INTERNATIONAL AFFAIRS HONGKONG-POLITICS/EXTRADITION (PIX) (TV)

Hong Kong protesters demand authorities scrap proposed extradition bill with China Hong Kong's Civil Human Rights Front is planning a protest against a controversial move by Hong Kong authorities to allow fugitives to be extradited to mainland China, stoking human rights concerns. The bill has been strongly criticised by some opposition lawmakers, rights and legal groups. The business community has also expressed concerns about the bill, that authorities recently acknowledged by scrapping a number of commercial crimes from the proposed new laws.

31 Mar 03:00 ET / 07:00 GMT UKRAINE-ELECTION/EXIT-POLLS (TV)

First exit polls released in Ukraine's presidential election Exit polls results of Ukrainian presidential election released after polls close in Ukraine.

31 Mar 13:00 ET / 17:00 GMT UKRAINE-ELECTION/FIRST-RESULTS (TV)

First results announced in Ukraine's presidential poll Ukrainian Central Electoral Commission announces first results of the presidential vote.

31 Mar 15:00 ET / 19:00 GMT