Sen. Chuck Grassley Charles (Chuck) Ernest GrassleyCollins says she will vote 'no' on Supreme Court nominee before election The Hill's Morning Report - Sponsored by Facebook - Trump, GOP allies prepare for SCOTUS nomination this week Gardner signals support for taking up Supreme Court nominee this year MORE (R-Iowa) expressed frustration on Thursday after he was interrupted during a speech on the Senate floor so that Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellPelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Senate GOP aims to confirm Trump court pick by Oct. 29: report Trump argues full Supreme Court needed to settle potential election disputes MORE (R-Ky.) could make an announcement.

“I hope the next time I get a chance to have the floor, I won’t be interrupted,” he said, raising his voice before ceding his time to McConnell.

Here's where Sen. Grassley is interrupted by Sen. McConnell. pic.twitter.com/tRxdnBpXWC — Jeremy Art (@cspanJeremy) February 14, 2019

McConnell took to the Senate floor to announce that President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE would sign a compromise spending bill to keep the government open.

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The GOP leader made the announcement amid increasing chatter that Trump would not sign the bill to keep the government from shutting down for a second time in as many months.

McConnell also said that Trump planned to declare a national emergency to get more money for a barrier at the U.S.-Mexico border. McConnell said he would support Trump's declaration, which is all but certain to face legal challenges.

Two staffers on the Senate floor had appeared to try and get Grassley to stop speaking. One whispered his name, but he ignored her. A second staffer, who works for McConnell, walked over to Grassley, appeared to try to grasp his arm and begin to say something, before walking away. Shortly after that, Sen. Dick Durbin Richard (Dick) Joseph DurbinTumultuous court battle upends fight for Senate McConnell focuses on confirming judicial nominees with COVID-19 talks stalled Senate Republicans signal openness to working with Biden MORE (D-Ill.) interrupted Grassley asking if he would yield.

Grassley reportedly raised his voice to McConnell, saying “you’re rude. You’re just simply rude.” McConnell apologized after the incident, Politico's Jake Sherman reported.

UPDATE: grassley and McConnell just laughed and shook hands. McConnell said I’m sorry. — Jake Sherman (@JakeSherman) February 14, 2019

Grassley, the chairman of the Senate Finance Committee whose position as president pro tempore makes him the second-highest Senate official, was discussing energy policy before he was interrupted on the floor.

Updated on Feb. 15 at 8:20 p.m.

Jordain Carney contributed.