People watch a television broadcast reporting the North Korean missile launch at the Seoul Railway Station on March 26, 2014 in Seoul, South Korea.

Japan will impose additional sanctions against North Korea following the reclusive country's

repeated missile launches and unresolved abduction issue, its top government spokesman said on Friday.

Chief Cabinet Secretary Yoshihide Suga told reporters that Japan would freeze the assets of six more organisations and two more individuals linked to North Korea.