The investigation relates to three graphic images of Islamic State executions Le Pen posted on Twitter in 2015, including the beheading of American journalist James Foley.
It would be the secretary of state's fourth visit to North Korea after a trip scheduled for August was axed.
Ma also warned on Thursday that the trade war between the world's two largest economies could last 20 years.
Moscow-Beijing relations are "showing dynamic growth," according to Chinese leader Xi Jinping. He also described Vladimir Putin as a "close friend."
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Khalid Masood was in debt, unemployed and estranged from his wife, witnesses say.
South Korean President Moon Jae-in also said that north Korea has agreed to dismantle a nuclear complex if the U.S. takes corresponding measures.
"We regard the provocative actions of Israel as hostile," Moscow's Defense Ministry said.
Kim embraces Moon amid pomp at start of 3rd Korean summit
The search for the strawberry-tampering culprit continues, as needles are being found in strawberries all over Australia
The huge storm skirted south of Hong Kong and neighboring gambling hub of Macau and has made landfall in China.
Amb. Nikki Haley said Russia is pressuring U.N. experts to alter an independent report implicating Russian actors in violations of North Korea sanctions.
The victim was identified as Ari Fuld, a U.S.-born activist who was popular in the local community and an outspoken Israel advocate on social media.
The solution to kids' obsessions with their phones starts with a look in the mirror.
A purge against thousands of dissidents and alleged terrorists has filled Turkey's prisons. Now President Erdogan wants to build more.
Fellow members of the Russian protest group say they suspect Pyotr Verzilov was poisoned for political reasons.
Police said they were chasing three men dressed as mariachi musicians who fled on motorbikes from Plaza Garibaldi, a major tourist destination.
Typhoon Mangkhut lashed the northern Philippines on Saturday, leaving at least twelve people dead and six missing as the storm barreled toward southern China
"If they are sincere in talks in the future, they would accept our proposal for a prisoners' exchange."
Kerry has been harshly critical of the president and his decision in May to withdraw from the Iran deal but denies "coaching" Tehran.
"Religious leaders in the Tibetan Buddhist tradition are not above the law," said one of the people who met the Dalai Lama.
More than 4 million people live in areas at most risk from the storm, which the Joint Typhoon Warning Center in Hawaii categorized as a super typhoon.
Experts immediately dismissed the claims as absurd.
An online news portal cited someone it said was Verzilov's girlfriend describing how he had started to lose his eyesight and ability to talk and walk.
Cardinal Daniel DiNardo, head of the U.S. Conference of Catholic Bishops, requested the audience last month following new sex abuse and cover-up revelations that also implicated Francis himself.