An alarming video clip shows that Rep. John Larson stopped and seemed to freeze in the middle of his speech on the House of Representatives floor. His team said it was an “adverse reaction” to a new medication he was taking.

U.S Rep. John Larson, a Democrat, seemed to briefly freeze during a speech Monday afternoon on the House floor. He is now in good spirits, his office said.

Connecticut Rep. John Larson (D) said Tuesday that he had a seizure on the House floor the previous day. “Yesterday, at around noon, I experienced a medical incident on the House floor, when my speech momentarily paused,