President Trump wants "someone" to "look into" the anti-Trump rallies that took place across the country Saturday, which was Tax Day.

"Someone should look into who paid for the small organized rallies yesterday. The election is over!" Trump tweeted Sunday, shortly after wishing his followers a "Happy Easter."

Someone should look into who paid for the small organized rallies yesterday. The election is over! — Donald J. Trump (@realDonaldTrump) April 16, 2017



More than 150 marches were set to take place this weekend to pressure Trump to release his tax returns.

"I did what was an almost an impossible thing to do for a Republican-easily won the Electoral College! Now Tax Returns are brought up again?" Trump tweeted.

I did what was an almost an impossible thing to do for a Republican-easily won the Electoral College! Now Tax Returns are brought up again? — Donald J. Trump (@realDonaldTrump) April 16, 2017



Trump is the first president in 40 years to not release his tax returns while in office.