Appreciate the congrats for being right on radical Islamic terrorism, I don't want congrats, I want toughness & vigilance. We must be smart!— Donald J. Trump (@realDonaldTrump) June 12, 2016
He followed that message up with another calling for President Barack Obama to resign if he doesn't mention the words "radical Islamic terrorism."
Is President Obama going to finally mention the words radical Islamic terrorism? If he doesn't he should immediately resign in disgrace!— Donald J. Trump (@realDonaldTrump) June 12, 2016
At least 50 people died and an additional 53 people were hospitalized after a deadly shooting at a gay nightclub in Florida.
The tweet caused a firestorm online, with backlash coming quickly from other famous names both in and outside of the political arena.
Meghan McCain, the Republican commentator and daughter of Sen. John McCain, questioned the message Trump was sending.
.@realDonaldTrump You're congratulating yourself because 50 people are dead this morning in a horrific tragedy?— Meghan McCain (@MeghanMcCain) June 12, 2016
Actor George Takei weighed in and shamed the presumptive Republican presidential nominee.
Once again, Donald, you have shown why you cannot lead us. 50 people are dead, and you bask in congratulations. https://t.co/pUN7ceAff7— George Takei (@GeorgeTakei) June 12, 2016
Click here for full coverage on the deadly mass shooting in Orlando.