World Insights: Charlie Kirk's assassination highlights era of political violence in U.S.

The assassination of U.S. President Donald Trump's ally Charlie Kirk was "just the latest in a recent string of violent politics," said a U.S. political science professor.

WASHINGTON, Sept. 13 (Xinhua) -- The assassination of Charlie Kirk, an ally of U.S. President Donald Trump, highlights the current trend of political violence in the United States.

"Charlie Kirk's killing is just the late