North Korea's leader Kim Jong Un has arrived in Singapore ahead of a historic summit with US President Donald Trump. The North Korean dictator is extra cautious, it is learned. For security precautions during his meeting with the US President Donald Trump in Singapore, Kim Jong Un has reportedly brought his own personal portable toilet to stop his stools being spied on. The reason behind it is to prevent anyone from leaking his health details. It is said that he brought his own pens and pencils to avoid copying of his fingerprints.