Fear of being overrun by immigrants was a driving concern for “Leave” voters. But globalization concerns and a desire to wrest Britain from under Brussels’ thumb were also key factors.
.. Boris Johnson, the former mayor of London who backed leaving the E.U., is considered a front-runner to succeed Mr. Cameron.
.. Investors fled to the American dollar and the yen.
.. London’s role as a financial center could be imperiled, particularly if the trade in euro-denominated securities moves to rival cities like Paris and Frankfurt.
.. Scotland and Northern Ireland could go their own way. Both voted overwhelmingly to stay in the E.U. But prominent political leaders in Scotland and Northern Ireland called on Friday for new moves toward separating from Britain.
.. Northern Ireland has an open border with the Republic of Ireland, a member of the bloc. Border crossings could now be tightened, and pressure could increase for unification, prompting instability in both places.
.. Donald J. Trump: “I said this was going to happen, and I think that it’s a great thing.”
The British people “have declared their independence from the European Union, and have voted to reassert control over their own politics, borders and economy,” Mr. Trump said. “A Trump administration pledges to strengthen our ties with a free and independent Britain.”