Senators react to Jeff Flake's bombshell announcement that he won't seek reelection in 2018

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Sen. Jeff Flake of Arizona.

Since Sen. Jeff Flake, an Arizona Republican and frequent critic of President Donald Trump, announced on Tuesday that he will not seek reelection in 2018, he has received overflowing support from lawmakers in both parties.

Flake made his announcement after he tore into the Republican Party during an emotional speech on the Senate floor. The senator, who refused to endorse President Donald Trump in 2016, criticized the president and warned his colleagues of becoming complacent.

Here's what other lawmakers said following Flake's announcement: