(CNN) - Comedian Chris Rock has Twitter buzzing after a Fourth of July tweet.
On Wednesday, Rock posted this controversial message to his account: "Happy white people's Independence Day. The slaves weren't free, but I'm sure they enjoyed fireworks."
Many of his 870,000 followers responded, as did others across the Web.
Some people supported Rock's comment, while others claimed the remark was inappropriate, or even racist.
Former Republican presidential candidate Herman Cain told CNN the comedian was "holding onto the past."
A hospital spokesman says a student is in critical condition after reports of a shooting at a school in suburban Denver.
The threat of heavy weekend snow has prompted Gov. Mike Pence's office to cancel Saturday's portion of Indiana's "Christmas at the Capitol" event.
Police have made two arrests after a fatal carjacking on Dec. 1.