Police in Thailand have seized a cargo plane carrying 35 tonnes of battlefield weapons, including missile launchers, made in North Korea.<br /><br />The seizure is one of the biggest ever busts in the international arms embargo against North Korea.<br /><br />The aircraft landed in Bangkok on Sunday on route from the North Korean capital, Pyongyang, but its exact destination is unclear.<br /><br />Al Jazeera's Aela Callan reports from Bangkok.