CNN's Anderson Cooper criticized President Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE for his decision to play golf just days after a gunman opened fire at a Florida high school, killing 17 people.

Cooper on Monday addressed Trump's flurry of tweets over the weekend, saying he is making everything about himself.

"This morning he tweeted, 'Have a great, but very reflective, President's Day!' " Cooper said on CNN.

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"And then he went to play golf while they held funerals for two teenagers nearby."

Cooper said funerals will continue throughout the week for the 17 people who were killed last week when a gunman opened fire at Marjory Stoneman Douglas High School in Parkland, Fla.

Trump over the weekend vented his anger with the Russia investigation, accusing the FBI of missing "all of the many signals" about the alleged Florida gunman because "they are spending too much time trying to prove Russian collusion with the Trump campaign."

Cooper criticized Trump for his outburst of tweets over the weekend, which touched on a variety of topics, saying he failed to talk about any of the people killed in the massacre.

"For anyone still waiting for the president to pivot, that's a pivot away from the murder of 17 people to himself," Cooper said.

Since the shooting, multiple lawmakers have called for Congress to take action on gun control.

Students who survived the shooting have also become vocal advocates in recent days, demanding that lawmakers act to prevent future tragedies.

On Monday, Trump hit the golf course just three days after visiting people affected by the shooting.

He had avoided golf over the weekend, a decision aides said was out of respect for the people killed.