Hillary Clinton Hillary Diane Rodham ClintonButtigieg stands in as Pence for Harris's debate practice Senate GOP sees early Supreme Court vote as political booster shot Poll: 51 percent of voters want to abolish the electoral college MORE on Wednesday expressed concern over the proposed merger between AT&T and Time Warner.

"I think it raises questions and concerns, and they should be looked into," the Democratic nominee told reporters on her campaign plane, according to Reuters.

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"If I'm fortunate enough to be president, I will expect the government to conduct a very thorough analysis before making a decision," she added.

Clinton's GOP rival Donald 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 and former Democratic opponent Sen. Bernie Sanders Bernie SandersButtigieg stands in as Pence for Harris's debate practice Bernie Sanders warns of 'nightmare scenario' if Trump refuses election results Harris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda MORE (D-Vt.) have both said that they oppose the deal.

Trump on Saturday said that he wouldn't allow the telecom giant to purchase the entertainment conglomerate because it would create "too much concentration of power in the hands of too few."

"As an example of the power structure I am fighting, AT&T is buying Time Warner and thus CNN — a deal we will not approve in my administration because it's too much concentration of power in the hands of too few," he said.

Sanders earlier Wednesday also sent a letter warning that the proposed $85.4 billion sale of Time Warner to AT&T would mean a "gross concentration of power."

"This merger represents a gross concentration of power that runs counter to the public good and should be blocked," Sanders wrote.

Sanders also said he'd push Clinton to oppose the deal, telling The Washington Post on Tuesday, "If Hillary Clinton is elected president we must do everything possible to make certain that her administration mounts a vigorous anti-trust effort."