South Korea’s military said North Korea has fired at least one unidentified projectile into the sea — its seventh round of weapons launches this month — in an apparent attempt to pressure the Biden administration over long-stalled nuclear negotiations.

South Korea’s Joint Chiefs of Staff on Sunday didn’t immediately say whether the weapon was ballistic or how far it flew.

The launch came three days after North Korea fired two short-range ballistic missiles into the sea on Thursday. The North also flight-tested a pair of purported long-range cruise missiles on Tuesday while vowing to strengthen its nuclear “war deterrent” and