After months of batting back accusations of collusion with Moscow in last year’s presidential campaign, Republicans say Democrats are the ones who now have “some explaining to do” as fresh developments raise questions about their own Russia connections.

First came reports that the FBI knew about a Russian bribery plot tied to nuclear energy interests in the U.S. well before the Obama administration OK’d a mining company sale to a Russian firm, giving it partial control over American uranium reserves.

Then came a report that Robert Mueller’s Russia investigation is looking at the dealings of Tony Podesta, a powerful Democratic lobbyist and the brother of former Hillary Clinton campaign chairman John Podesta.

Meanwhile, Fusion GPS, the firm behind the controversial anti-Trump dossier, has gone to court to block Congress from getting its bank records after its representatives pleaded the Fifth in a Capitol Hill appearance last week.