The Mexican foreign minister says no secret immigration deal exists between Mexico and the US, just hours after President Donald Trump tweeted that a “fully signed and documented” agreement would be “be revealed in the not too distant future.” Marcelo Ebrard, Mexico’s top diplomat, said in a news conference in Mexico City on Monday that there was an understanding that both countries would evaluate the number of migrants crossing the border of Mexico and the United States in the coming months, according to the New York Times. If the number is no significantly reduced, Mr Ebrard says, both nations will...