SEOUL, South Korea, Rabi'I 28, 1437, Jan 8, 2016, SPA -- Tens of thousands of North Korean soldiers and civilians have gathered at squares and indoor venues in Pyongyang for state-orchestrated massive celebrations of the country's fourth nuclear test, AP reported. People were seen gathering in the streets Friday, two days after North Korea announced it has successfully tested its first hydrogen bomb. North Korea's state media say the events were attended by senior members of the country's leadership, including Premier Pak Pong Ju. --SPA 15:23 LOCAL TIME 12:23 GMT www.spa.gov.sa/w