North Korea says it is considering missile strikes near the US Pacific territory of Guam, just hours after President Donald Trump threatened Pyongyang with fire and fury. <br/><br/>The North's official news agency said it was mulling a plan to fire medium-to-long-range rockets around Guam, where US strategic bombers are based. The statement marks a sharp rise in rhetoric between the two countries.<br/><br/>The UN recently approved further economic sanctions against the country. President Trump's comments followed a media report that claimed the North had made a nuclear warhead small enough to fit inside its missiles.<br/><br/>The Washington Post report, which cited US intelligence officials, suggests North Korea is developing nuclear weapons capable of hitting the US at a much faster rate than expected.