February 23, 2013 1:24 pm Gunfire Exchange with Officer Sparks Four-County Police Chase William D. Snyder, the Martin County sheriff, describes a police chase that began in Miami-Dade and ended in Martin County. US & World Videos 0:39 Hialeah Police provide updates on murder-suicide 1:22 School bus involved in crash in Miami Gardens 3:21 Man critically injured, first responders hospitalized after house fire in Little Havana 0:34 Road closures in effect for Formula 1 Miami Grand Prix 1:10 Crash involving school bus in Miami Gardens