Three Ukrainian lawmakers appear to have joined the cast of Ukrainian officials aiding U.S. President Donald Trump’s campaign to dig up dirt against his political opponent using Ukraine.

While the U.S. Congress probes Trump’s alleged attempt to pressure his Ukrainian counterpart, Volodymyr Zelensky, to investigate former Vice President Joe Biden, this trio wants the parliament of Ukraine to investigate Ukrainians’ alleged interference in the 2016 U.S. presidential election.