The Singapore government has said police would make stricter checks of people.
Vivian Balakrishnan will pay the official visit to the North Korean capital at the invitation of the North's Foreign Minister Ri Yong Ho, Singapore's foreign ministry said in a statement.
Mrs. Trump's decision not to go to Quebec is a departure from a year ago, when she made an worldwide summit debut at the G7 meeting in Italy and followed up at the forum of G20 industrialized and developing nations in Germany.
"The advance team in Singapore is finalizing preparations and will remain in place until the summit begins", said Press Secretary Sarah Sanders announcing the timing of the meeting. North Korea is reportedly interested in creating a step-by-step plan for denuclearization and Trump reportedly said he would be flexible, though he's been advised not to compromise.
Thiem makes first Grand Slam final, Tennis News & Top Stories
Tseng Chun-hsin of Taiwan has won the boys' title at the French Open by defeating top-seeded Sebastian Baez of Brazil 7-6 (7/5), 6-2.
Putnam's office responds to Tampa Bay Times report
Watch: Adam Putnam answers reporters' questions about the investigation and reports. Many are calling for him to step down, saying that he can no longer be trusted.
Mad Max creator unveils open-world shooter Generation Zero
Enemies will be persistently simulated throughout the world, so you'll find them roaming across the landscape at all times. When you manage to destroy a specific enemy component, be it armor, weapons or sensory equipment, the damage is permanent.
Donald Trump said he didn't want to use the term "maximum pressure" any more, because the two sides were 'getting along'.
"There have been summits before, they've tended not to go anywhere, so it's a good sign when world leaders are talking to each other, but let's not put all our expectations on one meeting". We are going to start a process.
He made clear, however, that sanctions on North Korea will not be lifted until the country agrees to give up its nuclear arsenal.
Rodman also participated on Trump's television program Celebrity Apprentice, giving him a unique relationship with both the president and the communist dictator.
The UN's nuclear watchdog the IAEA has said it's ready to resume its nuclear verification activities in North Korea.