A squealing baby tested Bernie Sanders' cool during a town hall event on Tuesday in New Hampshire.

The Democratic presidential candidate was about to answer a health care question from an audience member when the little one broke out into a shrill cry.

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“Thank you very much, because it’s not easy getting up in front of a TV camera to talk about this,” Sen. Sanders, I-Vt., began. “Did I hear you correctly say you have to cut your pills in half?”

Then Sanders snapped his head to the right, as the baby started making a racket.

“If we could keep that down a little bit?” he said, pointing in the direction of the crying baby. “OK. Thanks.”

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The Trump campaign zinged Sanders Wednesday after the awkward moment.

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“Sanders not feeling the Bern for kids in the audience yesterday…” a Trump campaign official tweeted.