Following complaints from President Trump, the top Republican on the Senate Finance Committee is asking the Federal Trade Commission to reopen an investigation into possible anticompetitive practices by Google.

“Google does have a long track record of providing valuable services and making important, innovative contributions,” Sen. Orrin Hatch of Utah, who is retiring at the end of this year, wrote in a letter to Chairman Joseph Simons on Thursday. “But much has changed since the FTC last looked at Google’s conduct regarding search and digital advertising.”