The U.S. and North Korea will not be able to go ahead with joint recovery efforts for remains of those killed during the Korean War this year, according to the Department of Defense’s (DoD) POW/MIA Accounting Agency (DPAA).

While the two countries were set to begin efforts this spring following an agreement made during last year’s U.S.-DPRK summit in Singapore, a representative from the DPAA told NK News that Pyongyang has ceased all communication on the issue.

“DPRK officials have not communicated with [the] DPAA since the Hanoi Summit,” DPAA Public Affairs official Lt. Col. Kenneth Hoffman