Analysts say the key to effective sanctions is whether economic pressure can make China temper its backing of Pyongyang.
New U.S. legislation raises the level of unilateral sanctions on North Korea to those applied to Iran, key proponent says.
Leader Kim Jong Un ordered the move last year as he prepared for the country’s fourth nuclear test and long-range missile launch in 2016.
South Koreans are expelled from the Kaesong industrial park as tensions mount over North Korea's weapons program.
Seoul's move is the latest and strongest response to North Korea's missile launch and nuclear test, but it could come with a cost as a window between the two nations is closed.
North Korea expert Andrei Lankov says that sanctions will not force Pyongyang to give up its weapons programs.
Council members want to move quickly to impose sanctions on Pyongyang.
The move, which comes in violation of UN Security Council resolutions, follows a nuclear test last month.
The demand for 'ice' picks up as illicit drug makers move production across the border to China.