The US Supreme Court has said it will consider a challenge to one of President Barack Obama's key immigration reform plans.<br />The plan would lift the threat of deportation from five million migrants living illegally in the US.<br />A coalition of 26 mostly conservative states, led by Texas, has been successful in lower court challenges.<br />A decision from the highest US court is expected in the early summer, just as the US election gets into full swing.<br />"We are confident that the policies will be upheld as lawful," said White House spokeswoman Brandi Hoffine.<br />President Obama announced the plan, known as Deferred Action for Parents of Americans and Lawful Permanent Residents (DAPA), in November 2014.
