article_snippet.sent: As evening turned into night on Thursday, two protesters had been arrested for disorderly conduct .
article_snippet.sent: On Thursday, demonstrators briefly scuffled with police while some threw bottles of water and debris at officers.
article_snippet.sent: The protest was peaceful, though some in the crowd hurled insults at the officers behind the fence, who stared back stone-faced .
article_snippet.sent: Captain Erik Pecha of the Baltimore Police Department exchanges words with young demonstrators .
article_snippet.sent: Demonstrators speak with law enforcement officers.
article_snippet.sent: Making a point: Captain Erik Pecha is pictured talking with a young demonstrator outside the police headquarters .