George Takei just stepped up his criticism of President Donald Trump.

The “Star Trek” actor and activist didn’t hold back Tuesday when tweeting on the FBI’s investigation into possible ties between Trump associates and Russian government officials in the run-up to the 2016 presidential election.

Firstly, Takei called for the election result and all of Trump’s subsequent political appointments to be “declared null and void” if the allegations are proven.

If Trump colluded with Russia, then his election and each and every action and appointment he has made must be declared null and void. — George Takei (@GeorgeTakei) March 22, 2017

Takei later analogized how Olympic champions found to have cheated give their medal to the next contender and that a captured thief doesn’t get to keep their ill-gotten gains.

If the allegations were found to be true, Takei said an impeachment would be “an insufficient remedy” for Trump. Instead, he suggested awarding the presidency to Democratic nominee Hillary Clinton or holding a new election.

Takei also called for Trump to be banned from making presidential decisions “until the investigation results in charges or exoneration.” Check out Takei’s other tweets below:

If an Olympian is found to have cheated, the gold medal is stripped away and given to the next contender. — George Takei (@GeorgeTakei) March 22, 2017

If a thief is caught he must disgorge all his ill-gotten gains. He isn't allowed to keep the spoils. — George Takei (@GeorgeTakei) March 22, 2017

The concerted actions of Russia, in collusion with Wikileaks and in all likelihood the Trump campaign, cost the Democrats bigly. — George Takei (@GeorgeTakei) March 22, 2017

Impeachment is an insufficient remedy because Pence and the GOP should not be permitted to gain office through anyone's treason. — George Takei (@GeorgeTakei) March 22, 2017

The only equitable remedy is to award the other candidate the election, or to hold free and FAIR elections for President. — George Takei (@GeorgeTakei) March 22, 2017

Until the investigation results in charges or exoneration, this "president" should get no appointments, no agenda, no cooperation. — George Takei (@GeorgeTakei) March 22, 2017