One killed, three wounded in sword attack at Swedish high school

发生了什么

Officials say another three people were injured, and an 18-year-old male suspect shot and arrested.

摘要按规则整理自下方来源原文

时间线

1. 21:03
   BBC World 最先出现BBBC World
2. 21:23
   Al Jazeera 开始报道AAl Jazeera

来源