The day after Major League Baseball said it was investigating a tweet from umpire Rob Drake calling for a civil war if President Donald Trump is impeached, the umpire unlocked his Twitter account and apologized in a string of tweets.

"I want to personally apologize to everyone that my words made feel less safe. I especially want to apologize to every person who has been affected by gun violence in our country. I also acknowledge and apologize for the controversy this has brought to Major League Baseball.

"Also, my fellow umpires, and my family. I never intended to diminish the threat of violence from assault weapons, or violence of any kind.

"I’m going to learn from this.