Of those killed, 250 were teenagers from the same high-school, many of whom obeyed crew instructions to remain in their cabins even as crew members were escaping the sinking ship.
There are 11 Malaysians in North Korea, according to a Malaysian foreign ministry official, including three embassy staff, six family members and two others.
The missile is propelled by a solid fuel engine and was an upgraded, extended-range version of its submarine-launched ballistic missile.
The special prosecutor’s office did not provide further details on the arrest of Moon Hyung-pyo but they raided his home on suspicion of abuse of power.
If Ban joined the new party, it would give him a conservative platform while distancing himself from the ruling Saenuri Party of President Park Geun-hye.
Chung, an equestrian athlete who competed in the 2014 Asian Games and won a gold medal in a team competition, sparked public ire earlier this year when it emerged that she had received special treatment from the prestigious Ewha Womans University.
The missiles hit Japan’s air defence identification zone, and was meant to be a show of strength as the G20 met in China.
Vice premier Kim Yong Jin was executed for not keeping his posture upright at a public event, a South Korean government official told Reuters.
Kim Jong Un’s consolidation of power has included purges and executions of top officials, South Korean officials have said.
The North calls the exercises preparations for invasion, and threatened a pre-emptive nuclear strike. North Korea frequently makes such threats.