North Korea says it carried out ‘very important test’ at missile-engine site

SEOUL, South Korea — North Korea said Sunday that it had conducted a “very important test” at its missile-engine test and satellite-launch site, another sign of the country’s escalating pressure on the United States to make further concessions before a Dec. 31 deadline set by its leader, Kim Jong Un.The test was carried out Saturday at the Sohae Satellite Launching Ground, referring to...