Key players in the impeachment trial of U.S. President Donald Trump and his defense argued sharply Sunday whether his efforts to get Ukraine to launch investigations to benefit him politically were impeachable offenses that warranted his removal from office. International Edition’s Steve Miller speaks to Joel Richard Paul, Law Professor at UC Hastings College of the Law.

Plus, police detained protesters in Hong Kong on Sunday as thousands of people overflowed a central park calling for electoral reforms and a boycott of the Chinese Communist Party. Reporter Justin Solomon provides an update.

And, world leaders agreed Sunday to respect an arms embargo and postpone military support to the two factions at a summit aimed at heading off "a true regional escalation" of fighting in Libya.

Those stories and more are all on today's International Edition.