Protestors in Washington, D.C. at Saturday’s “#MarchForTruth” rally gathered for an aerial photo spelling out “INVESTIGATE TRUMP.”

Protectors finish the #MarchforTruth by forming the words "Investigate Trump" on the National Mall pic.twitter.com/v3qAWJzrKo — Maya Shwayder (@MayaErgas) June 3, 2017

The protestors were demanding an independent investigation into possible collusion between President Trump’s election campaign and Russia. Marchers also called for President Trump to release his tax returns and for increased transparency into the ongoing federal probes into Trump-Russia ties.

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The march in Washington was one of more than 150 marches held in cities across the United States. The "#MarchForTruth" coincided with a "Pittsburgh not Paris" rally organized by Republicans to show support for Trump's decision to withdraw the United States from the Paris climate agreement.