France’s ambassador to the UN said the United Nations Security Council is considering new sanctions against North Korea on Monday, according to a report from the Associated Press.

Francois Delattre said the UN response should be “strong” and “swift”, ahead of a closed-door meeting which will take place on Tuesday, in the wake of a North Korean ballistic missile test on May 13.

Japan, South Korea, and the U.S. requested the emergency UN session, after what the DPRK claimed was a “successful intermediate-range ballistic missile test launch” on Sunday.

UN Secretary General António Guterres issued a short release condemning Saturday’s test,