The European Union hopes delegates from roughly fifty countries joined forces to drum up aid for Syria.
There has been significant donor fatigue as the conflict enters its ninth year.
UN agencies, non-governmental organisations, and think-tanks have warned that the conflict, which has killed more than 400,000 people, is far from over.
Kevin Ozebek has more from Brussels:
US National Counterterrorism Center director resigns over war in Iran
The head of the National Counterterrorism Center Joseph Kent resigned on Tuesday, becoming the first and most senior member of US President Donald Trump's administration to resign over the war in Iran, saying Tehran posed no imminent threat to the United States.
France will never take part in operations to unblock Hormuz Strait, says Macron
President Emmanuel Macron said on Tuesday France would never take part in operations to unblock the Strait of Hormuz, pushing back on comments by U.S. President Donald Trump that Paris was willing to help.
Iran rejects de-escalation offers; Israel says it kills Iranian security chief
Israel claimed on Tuesday to have killed Iran's security chief, while a senior Iranian official said the new supreme leader had rejected de-escalation offers conveyed by intermediaries.
Israeli strike kills three people in Gaza as Iran war strains truce
An Israeli airstrike killed at least three people in the Gaza Strip on Tuesday, local health authorities said, the latest violence jeopardising the ceasefire which has been under strain during the Israeli-US war against Iran.
The Fujairah authorities have apprehended an individual after he trespassed and carried out filming in restricted areas without obtaining the necessary official permits, in clear violation of the laws and regulations in force in the country.
The United Arab Emirates bid farewell to King Abdullah II bin Al Hussein of Jordan on Tuesday following a fraternal visit.
The UAE air defence systems have intercepted 10 ballistic missiles and 45 drones launched from Iran on Tuesday, the Ministry of Defence (MOD) announced.
