Former Secretary of State Hillary Clinton Hillary Diane Rodham ClintonFox News poll: Biden ahead of Trump in Nevada, Pennsylvania and Ohio Trump, Biden court Black business owners in final election sprint The power of incumbency: How Trump is using the Oval Office to win reelection MORE called on Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellTrump 'no longer angry' at Romney because of Supreme Court stance On The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline The Hill's Campaign Report: Trump faces backlash after not committing to peaceful transition of power MORE (R-Ky.) and his Republican caucus to help Democrats pass gun legislation the Democratic-controlled House approved in February.

"With two mass shootings in America in less than 24 hours, thoughts and prayers are not enough. We need action," Clinton tweeted Sunday after a deadly shooting in Dayton, Ohio, killed at least nine people.

A shooting in El Paso, Texas, killed at least 20 people the day before. ADVERTISEMENT

"The House has sent common-sense gun safety legislation to the Senate. Demand that @senatemajldr and your Republican elected officials join Democrats to pass it," Clinton, the 2016 Democratic presidential nominee, added.

With two mass shootings in America in less than 24 hours, thoughts and prayers are not enough. We need action.



The House has sent common-sense gun safety legislation to the Senate. Demand that @senatemajldr and your Republican elected officials join Democrats to pass it. — Hillary Clinton (@HillaryClinton) August 4, 2019

The bill would require universal background checks for all gun sales and transfers. It passed about six months ago with overwhelming Democratic support, and some support from House Republicans.

In the wake of the two latest mass shootings, Democrats, including Senate Minority Leader Charles Schumer Chuck SchumerPelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' 3 reasons why Biden is misreading the politics of court packing Cruz blocks amended resolution honoring Ginsburg over language about her dying wish MORE (N.Y.), called on McConnell to bring the Senate back into session during its monthlong recess for a debate and vote on the background check bill.

A McConnell spokesperson did not return The Hill's request for comment regarding the call for a special session.

McConnell's office issued a statement Sunday afternoon that the senator is recovering at his Louisville home from a fractured shoulder after tripping at his home patio.

McConnell spokesperson David Popp said the majority leader called Texas and Ohio Republican senators to "express his sympathies" after the shootings.