US set to slap 'toughest and most aggressive' sanctions on North Korea

The US is preparing to announce the "toughest and most aggressive" economic sanctions against North Korea, boosting pressure on the regime during the Winter Olympics, Mike Pence has said.

The US vice president said: "The United States of America will soon unveil the toughest and most aggressive round of economic sanctions on North Korea ever - and we will continue to isolate North Korea until it abandons its nuclear and ballistic missile programmes once and for all."