Mr Coxey’s attempt to storm the Capitol

Coxey's Army on the March, 1894 – Library of Congress

In the meantime numerous police, both mounted and on the floor, had assembled at the east part of the Capitol, where Coxey had declared his party would assemble. On reaching the street skirting the Capitol grounds to the north the procession found that the police barred the entrance.

The speech Jacob Coxey (almost) never gave

Coxey in Jail, 1894 - PBS

When participants in Coxey’s Army (estimated at 500 people) reached Washington on May 1, 1894, having started their march in Massillon, Ohio, they were met by 1500 soldiers, with more on call in case of trouble.  Jacob Coxey went to speak, but only managed to make it through the first two paragraphs, before getting arrested for walking on the grass.