The aid organization, also known as MSF, says at least four people died and 10 were injured when a projectile hit an MSF-supported facility in Yemen on Sunday morning.
United Nations special envoy Ismail Ould Cheikh Ahmed said violations of the cease-fire halted some of the progress made during the talks. Ahmed said they would meet again in January.
The U.N. is resuming peace talks on the war in Yemen. At the same time, the U.S. plans to sell more weapons to Saudi Arabia, even as civilian casualties from Saudi airstrikes in Yemen continue.
Jaafar Mohammed Saad and some of his aides were killed by a car bomb as he was headed to work. The Islamic State said they were responsible for the attack and said more attacks were planned.
Yemen is used to getting about 4 inches of rain per year. Chapala has dumped more than twice that in a day. Parts of the arid, war-torn country are now flooded.