Meanwhile, President Donald Trump has told a White House event the US is striking Iranian drone and missile systems "every single hour".

The nonprofit that oversees Wikipedia briefly enforced a 'read-only' mode on Thursday morning as users spotted code designed to delete articles and place Russian text in the edit summary.

Think about the last time you searched for a product. Chances are, you didn’t just type a keyword; you asked a question. Your customers are doing the same, ...