In a tweet Friday morning, President Donald Trump says North Korea will be tested like never before. Overnight, North Korea threatened to test a hydrogen bomb over the Pacific. The threat comes after President Trump announced that China banks will halt doing business with North Korea. Also, Iran is stepping up its missile capabilities and says that it will not seek international permission.

Facebook (FB - Get Report)  will share the content and related information of the more than 3,000 ads it sold to Russian-linked accounts with Congress. Facebook says it will also make some other changes. It will strengthen its review process of ads and reveal more information about who is behind the advertising.

Uber has lost its license to operate in London. TechCrunch says the city regulators say Uber's approach and conduct demonstrate a lack of corporate responsibility in relation to a number of issues.

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