The news comes as a surprise to multiple Filipino officials, who say they have no knowledge of such an operation.
Seventy-five percent of respondents said Pyongyang's nuclear program has become a critical threat to the nation.
The U.S. announced the ban on its citizens traveling to North Korea in July and published it on the federal register on August 2.
Pyongyang should be shown the cost of pursuing nuclear weapons development, a State Department official said.
Funding to fight Russian misinformation would also be used to combat ISIS propaganda.
As forces supported by the U.S. and Russia defeat ISIS across Syria, Secretary of State Rex Tillerson seeks Moscow's help to prevent a new conflict.
The pair are to speak after a week of reports suggesting Tillerson is unhappy with the administration.
America's top diplomat is "entitled to take a few days himself," said a State Department spokeswoman.
There is still "plenty of work to do" to restructure the State Department, Tillerson's spokesman says.
America's top diplomat has faced a tug-of-war with the Trump administration since he was confirmed. He may soon walk away.
Casualties mount as Secretary of State Rex Tillerson works to cut $10 billion from the State Department budget on White House orders.
U.S. Secretary of State Rex Tillerson has been engaged in shuttle diplomacy to try to bring an end to the regional crisis.
More than 64 years after the CIA helped overthrow Iran's democratically elected government, the country reacted to recent U.S. comments on regime change.
The U.S. Secretary of State lost it over interference in hiring of staffers.
Rex Tillerson is ready to overrule his top diplomats and human rights organizations on the issue in a plan labeled "disgusting."
Young Pioneers Tours had insisted trips were safe, but after Otto Warmbier's death announced it wouldn't take Americans anymore.
Warmbier died Monday after being flown back to the U.S. in a coma last week.
The secretary of state's three-point plan calls for working with Russia on several issues including, surprisingly, cybersecurity.
The White House plans to push congress to make changes to bill to strengthen sanctions against Russia.
Fred Warmbier, the student's father, said the family did not believe North Korea's explanation of his son's condition.
"By having a special person, an envoy out here, one of my experiences is, mission then says, 'Oh, we've got somebody else that does that,' " Tillerson said.
Warmbier was sentenced to 15 years hard labor in North Korea, but he was released after 18 months.
The United States doesn't conduct business with North Korea directly, but could sanction those who do.
The Senate wants to give lawmakers more say over any changes to Russia sanctions as Donald Trump's Russian scandal continues.