New Delhi, Sept. 11 -- Charlie Kirk, the CEO and co-founder of the conservative youth organisation Turning Point USA, was fatally shot on Wednesday (September 10) while speaking at an event at a Utah college, officials said. He was 31.

Utah Gov. Spencer Cox called Charlie's killing a political assassination carried out from a rooftop. "This is a dark day for our state. It's a tragic day for our nation," said Utah Gov. Spencer Cox. "I want to be very clear. This is a political assassination," he said.

Here's what we know about Charlie Kirk's death:

Videos posted to social media from Utah Valley University show Kirk speaking into a handheld microphone while sitting under a white tent emblazoned with the slogans "The American Comeback" an...