WATCH: Dems say Trump will look like he has something to hide if he avoids Mueller interview

Democratic senators say that if President Trump doesn’t agree to an interview with special counsel Robert MuellerRobert (Bob) Swan MuellerFox News legal analyst says Trump call with Ukraine leader could be 'more serious' than what Mueller 'dragged up' Lewandowski says Mueller report was 'very clear' in proving 'there was no obstruction,' despite having 'never' read it Fox's Cavuto roasts Trump over criticism of network MORE, it will look like he’s trying to hide something.

“If the president fails to appear for the interview it’s an indication that he has something to hide,” Sen. Richard Blumenthal (D-Conn.) said Tuesday.

Sen. Ron WydenRonald (Ron) Lee WydenDemocrats urge Rick Perry not to roll back lightbulb efficiency rules Bipartisan senators want federal plan for sharing more info on supply chain threats PhRMA CEO warns Pelosi bill to lower drug prices would be 'devastating' for industry MORE (D-Ore.) echoed his colleague. “I think the American people are going to ask, what is he hiding?” he said.

“Using [President Trump’s] own words, if you have nothing to hide, if you are innocent, then you should answer questions, sit down and answer questions,” Sen. Cory BookerCory Anthony BookerWarren defends, Buttigieg attacks in debate that shrank the field Warren leads in speaking time during debate Democrats wrangle over whether to break up Big Tech in debate first MORE (D-N.J.) added.

Blumenthal also said if Trump refuses to interview with Mueller, he should be subpoenaed.

GOP Sen. John KennedyJohn Neely KennedyMORE (La.) questioned whether that’s possible.

“I don't know whether he can be subpoenaed or what. I mean, you have the right in America not to testify, all things being equal; it's called the Fifth Amendment,” Kennedy said.

The senators spoke after The New York Times reported that some Trump advisers are suggesting he not interview with Mueller.

Watch the video above to hear the senators in their own words.