N. Korea Demands Probe

North Korea is proposing a joint investigation with the U.S. to look into the massive cyberattack against Sony Pictures Entertainment.

On Saturday, a spokesman for North Korea's Foreign Ministry in Pyongyang promised "grave consequences" if the U.S. does not agree to a joint investigation.

"The U.S. should bear in mind that it will face serious consequences in case it rejects our proposal for joint investigation and presses for what it called countermeasures while finding fault" with North Korea, the spo

President Obama said on Friday that the United States “will respond proportionally” against North Korea for its destructive cyberattacks on Sony Pictures, but he criticized the Hollywood studio for giving in to intimidation when it withdrew “The Interview,” the satirical movie that provoked the attacks, before it opened.

Deliberately avoiding specific discussion of what kind of steps he was planning against the reclusive nuclear-armed state, Mr. Obama said that the response would come “in a place and time and manner that we choose.” Speaking at a White House news conference...