Filipino President, Rodrigo Duterte requested a kiss on the lips from a young Filipino woman at an event in Seoul, South Korea.
Hastily arranged meeting with South Korea seemed to demonstrate North Korea's urgency to secure a summit with Trump.
Najib Razak was ousted in a shock defeat in May 9 national elections marked by public anger over the scandal.
Merkel's visit as the head of a delegation of government and business leaders is her first since she formed her new government.
As tensions mount between China and the US over trade tariffs and North Korea, the suspicious episode could further strain relations.
Pyongyang is allowing the limited access to the site to publicize its promise to halt underground tests and launches of intercontinental ballistic missiles.
President Donald Trump met with Chinese Vice Premier Liu He, the leader of China's delegation, on Thursday.
Journalists from the United States, South Korea, China, Russia and Britain have been invited to inspect the process.
Prime Minister Najib Razak, who set up the fund, is facing May 9 national elections that will test his legitimacy.
US president hailed as peacemaker as North Korea makes more nuclear concessions.
Trump responds to the historic meeting of North Korea's Kim Jong Un with South Korean President Moon Jae-in in South Korea.
Pyongyang's sudden decision to reverse its threatening armaments policy seen as positive sign before historic talks.
School bus skidded off a mountain road into a gorge in the foothills of the Himalayas
Speculation about a visit to Beijing by North Korea's reclusive leader or possibly his younger sister, Kim Yo Jong ran high.
Indonesian central government has agreed to block the mobile internet ahead of Bali's annual Day of Silence, or Nyepi.