Social media shudders after Trump mocks North Korea's 'button'

Social media users voiced concern, and some jokes, after President Donald Trump mocked North Korea's "button" in a tweet.

In the tweet, Trump said North Korea's leader, Kim Jong-un, claimed that a "nuclear button is on his desk at all times."

"Will someone from his depleted and food starved regime please inform him that I too have a Nuclear Button, but it is a much bigger & more powerful one than his, and my Button works!" Trump tweeted.

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