Key developments on North Korea this week

SEOUL, Jan. 3 (Yonhap) -- The following are key developments regarding North Korea this week.

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Dec. 28 -- N. Korea holds first-day session of a plenary meeting of the ruling Workers' Party

29 -- N.K. party meeting discusses 'offensive measures' for security

29 -- U.S. says it has many 'tools' to deal with N.K. 'Christmas gift'

30 -- Pompeo says U.S. hopes N. Korea chooses path of peace

31 -- N.K. leader calls for 'diplomatic, military countermeasures' ahead of end-of-year deadline
Jan. 1 -- N.K. leader warns of 'new strategic weapon'

-- Trump says N.K. leader is 'man of his word' on denuclearization (Dec. 31 U.S. time)

-- Bolton says U.S. should fully resume military exercises with S. Korea

2 -- State media reports N.K. leader's visit to mausoleum of grandfather, father to mark new year

-- U.S. defense secretary urges N.K. leader to exercise restraint
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