5 things to know for June 23: AI warning, primaries, nuclear weapons, UK political turmoil, Montreal shooting

Today's headlines cover a wide range of pressing issues, starting with global AI warnings that underscore the need for regulation to manage the technology's potential risks. Political primaries and nuclear weapons discussions highlight the tensions in current international relations and the importance of diplomacy. The UK's political instability reflects broader concerns about governance and stability in democratic nations. Lastly, the tragic Montreal shooting emphasizes the ongoing challenges of gun violence and public safety. These events collectively stress the importance of addressing both local and global issues to foster a safer, more regulated world.