US President Donald Trump's top national security aides have completed a broad review of US options aimed at countering North Korea's nuclear and missile programs.<br/><br/>A senior US official said, the review, was accelerated to have it done before President Trump's summit with Chinese President Xi Jinping this week. The officials said, the review includes a range of economic and military measures but leans towards new sanctions and increased pressure on Beijing to rein in its neighbor.<br/>'<br/>The official said it was not immediately known whether the recommendations put together by Trump's National Security Council had yet made their way to the President.<br/>