major incident; major happening; big scandal
minor incident; sideshow
昨夜大事件が起きた。
A major incident occurred last night.
地方でまさかの大事件が発覚した。
An unexpected major scandal was uncovered in the region.
その大事件が国内外のメディアを巻き込んだ。
The major incident drew in media from both home and abroad.