Among the many captivating visuals at the Vatican funeral of Pope Frances, was the one-on-one meeting of Ukraine President Volodymyr Zelensky and U.S. President Donald Trump sitting knee-to-knee in an ornate marble floor side chamber of St.

The office of President Zelensky shared a picture of Trump and Zelensky engaged in conversation at St. Peter’s Basilica.

President Donald Trump was criticized for wearing a blue suit and tie to Pope Francis’ funeral on April 26. However, a Vatican source tells PEOPLE that he did not break protocol.