It was a rare geopolitical spectacle that spoke to the drawing power of the American president, Europe’s support for Ukraine in its war with Russia and a simple human instinct not to be left out.

Residents of Ukraine's capital held their breath as they closely watched meetings between their president Volodymyr Zelenskyy and US President Donald Trump alongside European leaders at the White Hou...

“On the downside, there is a great deal of uncertainty about the nature of security guarantees and what exactly the U.S. has in mind.”