Turkey's president Recep Tayyip Erdogan said the zone needed to be extended for the goal to be met. Also: Boris Johnson attacked by Luxembourg PM over Brexit, and scientists think they have found a way to stop the common cold.
Brent crude, the international benchmark used by oil traders, jumped to $71.95 a barrel at one point. Also: UN investigators warn that ethnic Rohingyas who are still in Myanmar face the continuing threat of genocide, and the world's first climate telethon in Denmark raises enough money to plant almost a million trees.
Houthi rebels claim responsibility for attacks which the UN fears may severely limit production. Also, African leaders attend the state funeral of Robert Mugabe, but few Zimbabweans turn out; and the solid gold toilet stolen from an English palace.
Sulphur hexafluoride, the most powerful greenhouse gas known to humanity, is widely used in the electrical industry to prevent short circuits and accidents. Also: The missing people crisis in Nigeria after the decade-long insurgency of the Islamist group Boko Haram; and the rapper in Idlib creating art amid the chaos.
Former president Robert Mugabe to be buried in National Heroes Acre monument in Harare. His family had wanted him to be buried in his home village.
Also, thousands protest in Johannesburg at high levels of violence against women, and the Liverpool gardens that inspired a well-loved Beatles song are now open to the public.