Houthis: Iran-backed rebels who occupy Sanaa and run unrecognised government

Yemeni government: Exiled government in Aden led by eight-member Presidential Leadership Council

Southern Transitional Council: Faction in Yemeni government that seeks autonomy for the south

Habrish 'rebels': Tribal-backed forces feuding with STC over control of oil in government territory

The thorn in the side of Biden's foreign policy team

Director: James Cameron

Starring: Sam Worthington, Sigourney Weaver, Zoe Saldana

Rating: 4.5/5

David Frum: What Joe Biden has to fix - and preserve - from the Donald Trump era

Michael Young: Joe Biden must establish a post-American order in the Middle East

Firas Maksad: For the Middle East, Joe Biden is no Barack Obama

%3Cp%3EApril%2021-23%3A%20Imola%3Cbr%3EMay%205-7%3A%20Misano%3Cbr%3EMay%2026-28%3A%20SPA-Francorchamps%3Cbr%3EJune%2023-25%3A%20Monza%3Cbr%3EJuly%2021-23%3A%20Paul%20Ricard%3Cbr%3ESept%2029-Oct%201%3A%20Mugello%3Cbr%3EOct%2013-15%3A%20Vallelunga%3C%2Fp%3E%0A

Damien McElroy: It's too early to say who will win the vaccine hurdle race

Mustafa Alrawi: To get the 'jab' done, governments must show patience and empathy

Editorial: The fight against Covid-19 should be guided by science

Samanth Subramanian: Imposing Hindi could undermine India's linguistic diversity

Phil Mercer: Aboriginal musicians are struggling to be heard

Gavin Esler: What we lose when we allow languages to die

2pm: Handicap (PA) Dh 50,000 (Dirt) 1,400m

Winner: AF Al Moreeb, Antonio Fresu (jockey), Ernst Oertel (trainer)

2.30pm: Maiden (TB) Dh 60,000 (D) 1,400m

Winner: Shamikh, Ryan Curatolo, Nicholas Bachalard

3pm: Handicap (TB) Dh 64,000 (D) 1,600m

Winner: One Vision, Connor Beasley, Ali Rashid Al Raihe

3.30pm: Conditions (TB) Dh 100,000 (D) 1,600m

Winner: Gabr, Sam Hitchcott, Doug Watson

4pm: Handicap (TB) Dh 96,000 (D) 1,800m

Winner: Just A Penny, Sam Hitchcock, Doug Watson

4.30pm: Maiden (TB) Dh 60,000 (D) 1,600m

Winner: Torno Subito, Sam Hitchcock, Doug Watson

5pm: Handicap (TB) Dh 76,000 (D) 1,950m

Winner: Untold Secret, Jose Santiago, Salem bin Ghadayer