Carter Page, a former adviser to the Trump campaign, acknowledged on Thursday that he spoke with FBI investigators asking about whether he met with Russia's ambassador on the sidelines of the 2016 Republican National Convention (RNC).

"I told them, you know, a lot of everything I've essentially been doing for quite a long time, including, obviously, you know, everything in Cleveland," he said in interview on MSNBC's "All In with Chris Hayes," referring to the RNC in Cleveland, Ohio.

"So you did talk about that?" Hayes asked.

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"Yes," Page replied.

Page's comments came hours after Reuters reported that investigators on special counsel Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE's team have been questioning witnesses about interactions with Russians during an event on the sidelines of the RNC.

That event was attended by then-Russian Ambassador Sergey Kislyak and Attorney General Jeff Sessions Jefferson (Jeff) Beauregard SessionsGOP set to release controversial Biden report Trump's policies on refugees are as simple as ABCs Ocasio-Cortez, Velázquez call for convention to decide Puerto Rico status MORE, who was a senator from Alabama at the time.

Page reportedly met with Kislyak during the convention, though he has not publicly confirmed or denied the encounter.

He has long been a part of Mueller's investigation into Russia's role in the 2016 election and whether members of the Trump campaign conspired with Moscow to sway the presidential race.

The Washington Post reported in June that investigators had repeatedly questioned Page about his contacts with Russians during a series of interviews in March 2017. It was during one of those interviews that he was asked about his interactions with Kislyak at the RNC.