PITTSBURGH (AP) — Police say two Pittsburgh officers were injured and two men were arrested after what they call “large and unruly” crowds flooded into the street on the city’s South Side. The city’s public safety department says officers were called to the area just before 2:15 a.m. Sunday, where people had filled the street, stopping traffic in both directions. An officer’s foot was run over as he was writing a traffic citation. Another officer injured his knee.