U.S. President Donald Trump has put pen to paper on a proclamation suspending the entry of migrants through America's southern border with Mexico for 90 days.<br />President Trump said the measures were necessary to prepare for the arrival of thousands of Central Americans traveling in groups through Mexico toward the U.S. border.<br />He said the caravan has no "lawful basis for admission into the U.S."<br />U.S. officials say the proclamation does not apply to unaccompanied children or those who apply at official border crossings, or U.S. ports of entry.<br />The measures are to take effect on Saturday, U.S. time. <br />
