ROME (AP) A police officer accidentally shot and killed a Lazio soccer fan Sunday while trying to quell a clash with Juventus supporters at a highway rest stop in Tuscany, authorities said.

Hours later in Rome, enraged fans rioted, attacking a police station near the Stadio Olimpico.

Hundreds of youths dragged metal barricades and trash bins to block off one end of a bridge spanning the Tiber near the stadium. They stormed the yard of a police station when a gate was opened for a shift change of squad cars, hurled stones at passing police cars and smashed windows in an attack of the nearby Italian Olympic Committee headquarters near the stadium.