UN Security Council weighs what to do next on North Korea

The U.N. Security Council is holding an emergency meeting to discuss how to respond to North Korea's launch of a ballistic missile over Japan. It comes less than a month after the council imposed its toughest-yet sanctions on Pyongyang.

Before the closed-door discussion Tuesday evening at U.N. headquarters, ambassadors from several countries said they aimed to weigh what next steps to take and emerge with a unified reaction.

Japanese Ambassador Koro Bessho says his country feels a need to put more pressure on North Korea but will discuss how to do it. U.S. Ambassador Nikki Haley says that "something serious has to happen" but hasn't specified what.

British Ambassador Matthew Rycroft suggests that members need to look at strengthening sanctions against North Korea.

North Korea isn't a council member.