Current event, a phrase used to describe happenings or news that are currently taking place, can be substituted for a number of synonyms. 'Latest news' is a phrase which is often used in news reports and broadcasts to keep viewers and readers informed on recent happenings. 'Breaking news' is another synonym, frequently used in news reports to describe news stories that are developing and unfolding. 'Happening' is a more informal term, used to describe events that are newsworthy or interesting. Another similar phrase is 'hot topic', often used to describe events that are currently popular or heavily debated. Overall, there are many synonyms that can be used in place of 'current event' to describe the latest news and happenings in the world.