(LEAD) Senior U.S. diplomat to visit Seoul in coming weeks to launch working groups on Oct. summit agreements: State Dept.

AI Summary

The U.S. is intensifying diplomatic efforts to solidify agreements made at a summit. This involves sending a senior diplomat to Seoul to kickstart discussions that focus on the commitments made during the prior meetings between the countries.

WASHINGTON, May 19 (Yonhap) -- A senior U.S. diplomat will visit Seoul in the co...