Armed police patrol outside the St. Regis hotel, where North Korean leader Kim Jong Un is staying. AFP-Yonhap

By Kang Aa-young

Security is being tightened in Singapore ahead of the June 12 summit between U.S. President Donald Trump and North Korean leader Kim Jong-un on Tuesday.

Singaporean authorities set up road blocks around the sites where the summit will be held and designated the area as a "special event area" from Sunday to Thursday.

The site, include the summit venue, the Capella Hotel on Sentosa Island, and the places surrounding the Shangri-La Hotel and the St. Regis Hotel, where the two leaders are likely to stay.

Police patrol outside the Shangri-La Hotel in Singapore on Sunday. AP-Yonhap

A police officer guards the entrance of the international media center. AP-Yonhap

A security tent at the entrance to the Shangri-La Hotel in Singapore. AP-Yonhap

A police officer stands guard outside the St. Regis Hotel in Singapore. AP-Yonhap

A police officer stops a car at a road block outside the St. Regis Hotel in Singapore. AP-Yonhap

A technician installs a surveillance camera at a driveway at the Capella Hotel on Sentosa Island. AP-Yonhap

Police guard a road block outside the St. Regis Hotel in Singapore. AP-Yonhap

A Singaporean police officer stands guard near the Shangri-La hotel in Singapore. EPA-Yonhap

U.S. President Donald Trump's motorcade arrives at the Shangri-la Hotel in Singapore on Sunday. "Fox & Friends" co-host Abby Huntsman on Sunday referred to the summit between Trump and North Korean leader Kim Jong-un as a meeting of "two dictators." She later apologized. AP-Yonhap