In some areas of the country, violence erupted between strikers and mine operators or between striking and non-striking miners.
On May 23 near Uniontown, Pennsylvania, 15 guards armed with carbines and machine guns maliciously attacked a group of 1500 strikers, killing 5 and wounding 8.
[4] The situation in LaSalle remained tense into early July, when a posse of 60 well-armed men was raised to fend off a force of 2000 miners.
[5] On June 13 in McLainesville, Ohio (west of Bellaire), strikers armed with stones and clubs clashed with National Guard troops.
[6] In Iowa, the National Guard was mobilized to protect miners in Givens and Muchakinock who had not joined the strike.