Russia and China have vetoed a U.N. resolution that would have authorized U.N. experts to keep monitoring sanctions that were reimposed against Iran over its nuclear program.

The new U.N.-backed international force charged with combating Haiti’s violent gangs has received more pledges than the 5,500 military and police it is seeking, and Chadian troops have already deployed in the capital, Port-au-Prince.

The U.N. Security Council has urged Rwanda to withdraw its forces from eastern Congo and extended the U.N. peacekeeping mission in Congo for a year.