Visiting Sri Lanka President Maithripala Sirisena, left, and Philippine President Rodrigo Duterte shake hands following the welcoming ceremony Wednesday, Jan. 16, 2019, at the Presidential Palace grounds in Manila, Philippines.

Visiting Sri Lanka President Maithripala Sirisena, left, and Philippine President Rodrigo Duterte shake hands following the welcoming ceremony Wednesday, Jan. 16, 2019, at the Presidential Palace grounds in Manila, Philippines. 

© 2019 AP Photo/Bullit Marquez