18名兒童死亡！美國小學發生近十年最致命槍擊事件

It was the deadliest shooting at a U.S. grade school since a gunmen killed 20 children and six adults at Sandy Hook Elementary in Newtown, Connecticut, almost a decade ago. 

The Texas school shooting suspect is believed to have shot his grandmother before going to the school, three law enforcement sources tell CNN.

　　拜登還表示，現在到了把痛苦轉化為行動的時候了。

Biden said it is time to 'turn this pain into action' for the parents and citizens of the US.