Rep. Jamaal Bowman, D-N.Y., pulled a fire alarm in the House Cannon office building in Washington, D.C., Saturday as his party was trying to delay a vote on a stopgap spending bill, prompting an evacuation of the building and investigations by the Capitol Police and the House Administration Committee.

The alarm was triggered at the same time that House Democrats at the Capitol were stalling a vote on a spending measure to keep the government operating for another 45 days. Speaker Kevin McCarthy, R-Calif., had unveiled the bill just minutes earlier, and Democrats were scrambling to read the bill and determine whether to support it. Later in the day, the bill passed 335-91, with more Democrats voting for it than Republicans.

In a statement released Saturday night, Bowman said he had not pulled the alarm to delay the vote, as some Republicans had presumed. He said that as he was rushing to the Capitol to cast a vote, he came to a door in the Cannon building that would not open.

“I am embarrassed to admit that I activated the fire alarm, mistakenly thinking it would open the door. I regret this and sincerely apologize for any confusion this caused,” Bowman said.