ritain is reportedly preparing for the possibility of war breaking out with North Korea as concerns rise that another provocative missile test could trigger a military response by the US. North Korea is being closely watched amid fears it could launch another long-range missile test on Tuesday to mark the anniversary of the founding of its ruling party. Bellicose rhetoric from Donald Trump has heightened tensions in the region in recent months, prompting British officials to draw up military plans for a response to a break out of hostilities, it was reported.