CNN accused President Trump on Monday of being an online bully after the president tweeted an attack against anchor Don Lemon, calling him the “dumbest man on television.”

“In a world where bullies torment kids on social media to devastating effect on a regular basis with insults and name-calling, it is sad to see our president engaging in the very same behavior himself,” a CNN spokesperson said in a statement to The Hill. “Leaders should lead by example.”

Trump has been fuming at the media in the wake of several high-profile retractions and an unflattering profile in The New York Times that ran over the weekend, which claimed that the president watches hours of cable news coverage about himself every day.

In a Monday morning tweet, Trump disputed the Times’s report and lashed out at Lemon, a frequent critic of the president.

CNN has been aggressive in its criticism of Trump, and…