North Korea is preparing to launch intercontinental ballistic missiles as early as this week in response to a trilateral summit between the U.S., South Korea and Japan or U.S.-ROK military drills, Seoul’s intelligence agency told lawmakers on Thursday.

The National Intelligence Service (NIS) also assessed that there is a high probability North Korea and Russia recently signed agreements on weapons trade and joint military drills.

The NIS has “detected that there are active movements of vehicles that support North Korea’s intercontinental ballistic missile (ICBM) launches in areas such as Sanum-dong in Pyongyang,” Yu Sang-beom, a ranking member of the ruling