North Korean officials have vowed to push for a second attempt to launch a spy satellite after labelling a failed first attempt “the most serious” shortcoming of the year, state media reported on Monday. They harshly criticised the people behind May’s launch which saw a military reconnaissance satellite crash soon after lift-off, posing a setback to leader Kim Jong Un’s bid for a space-base surveillance system. The Korean Central News Agency (KCNA) said a report to a three-day ruling party meeting which ended on Sunday, “bitterly criticised the officials who irresponsibly conducted the preparations for (the) satellite launch.” The report...