"It is my opinion that many of the leaks coming out of the White House are fabricated lies made up by the #FakeNews media," he wrote the morning after his return home.
"Whenever you see the words 'sources say' in the fake news media, and they don't mention names it is very possible that those sources don't exist but are made up by fake news writers. #FakeNews is the enemy!," he wrote, spelling errors and all.
In an earlier tweet today, Trump hailed what he called the trip's "great success."
"Just returned from Europe. Trip was a great success for America. Hard work but big results!" he wrote.
The latest furor was stirred up after The Washington Post reported late Friday that Kushner -- arguably Trump's closest White House aide, and husband of the president's eldest daughter Ivanka -- made a pre-inauguration proposal to the Russian ambassador to set up a secret, bug-proof link with the Kremlin.
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