Here is a look at the 15 members of the U.N. Security Council.
There are five permanent members with veto power:
-- The United States
There are 10 members selected by regional groups for two-year terms. They do not have veto power:
The presidency of the Security Council rotates every month in alphabetical order. Bulgaria is the current president.
A resolution requires a minimum of nine "yes" votes and no veto by a permanent member.