In Ferguson, Missouri, protesters were calmer but still rowdy at times as they demanded justice for the shooting of Michael Brown.
FOX News Radio's Jeff Monosso reports.
Things were mostly peaceful until about midnight, when trouble-makers started throwing bottles, even urine at police.
(Johnson) "It forced police to deploy their helmet shields for protection, and then break into the crowd and search for the agitators."
State Patrol Captain Ron Johnson.
Almost 50 arrests. Three guns were seized. But, no Molotov cocktails and no tear gas.
Attorney General Eric Holder arrives here today , promising a fair investigation.
Meantime, protests also transition today to the St. Louis County Courthouse where a grand jury expects to take up the case.
In St. Louis, Jeff Monosso, FOX News Radio.