Sen. Cory Gardner endorses Cruz
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Sen. Cory GardnerCory Scott GardnerSenate moving ahead with border bill, despite Trump 13 GOP senators ask administration to pause separation of immigrant families Sessions floats federal law that would protect states that decriminalize marijuana MORE (R-Colo.) is endorsing Ted CruzRafael (Ted) Edward CruzSenate moving ahead with border bill, despite Trump Senate moderates hunt for compromise on family separation bill Hollywood goes low when it takes on Trump MORE for president.

Gardner called Cruz "a fierce defender of the Constitution and a tireless advocate for conservative principles," according to a statement released by the Texas senator's campaign Wednesday. 

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"It’s time for Republicans to rally behind this campaign in order to put forth the best candidate to stop Hillary ClintonHillary Diane Rodham ClintonTrump mocks 'elites' at campaign rally Trump backs down in rare reversal Election Countdown: Family separation policy may haunt GOP in November | Why Republican candidates are bracing for surprises | House Dems rake in record May haul | 'Dumpster fire' ad goes viral MORE in November," said Gardner, who previously backed Sen. Marco RubioMarco Antonio RubioSenate moving ahead with border bill, despite Trump Hillicon Valley: New FTC chief eyes shake up of tech regulation | Lawmakers target Google, Huawei partnership | Microsoft employees voice anger over ICE contract Lawmakers urge Google to drop partnership with Chinese phone maker Huawei MORE (Fla.).

Gardner added he was "thrilled" to support Cruz.

Cruz said he was "honored" to have the support of the Gardner, who is the sixth senator to publicly back Cruz, joining Jim RischJames (Jim) Elroy RischGOP senators introduce bill to prevent family separations at border Lawmakers push for role in North Korea talks as Iran scars linger Senate GOP urges Trump administration to work closely with Congress on NAFTA MORE (R-Idaho), Lindsey GrahamLindsey Olin GrahamTrump says he will sign executive order to end family separations Trump backs narrow bill halting family separations: official Overnight Health Care — Presented by the Association of American Medical Colleges — Trump officials move to expand non-ObamaCare health plans | 'Zero tolerance' policy stirs fears in health community | New ObamaCare repeal plan MORE (R-S.C.), Mike LeeMichael (Mike) Shumway LeeGOP senators introduce bill to prevent family separations at border Another chance to seek the return of fiscal sanity to the halls of Congress Trump plan to claw back billion in spending in peril MORE (R-Utah), Pat Toomey (R-Pa.) and Ben Sasse (R-Neb.).

"I am honored to have Cory’s support and look forward to working together to continue to coalesce Republicans around this campaign," Cruz said in a statement.

The announcement comes amid speculation surrounding Cruz's plans to make a "major announcement" Wednesday afternoon in Indiana. Reports are indicating Cruz will announce his choice of Carly Fiorina to be his running mate. Fiorina, a former Hewlett-Packard CEO, dropped her own White House bid earlier this year.

Cruz is hoping to deny GOP front-runner Donald TrumpDonald John TrumpFamily immigration detention centers could be at capacity within days: report Trump likely to meet with Putin in July: report DOJ requests military lawyers to help prosecute immigration crimes: report MORE delegates in the Indiana primary next week after the businessman moved closer to locking up the GOP nomination by winning five Northeastern primaries Tuesday.