Filippo Raciti, the first policeman killed by Italian hooligans, is the 18th victim of soccer violence in Italy since 1963.
Here is a list of the previous fatalities and descriptions of how the victims died.
Ermanno Licursi, Janaury 27 2007.
Licursi, a 40-year-old director of Calabrian amateur club Sammartinese, was killed by a kick to his neck while trying to stop a mass brawl with opponents Cancellese.
Sergio Ercolano, September 21 2003.
Napoli fan Ercolano, 20, died in hospital two days after falling from the upper tier of a stadium during trouble at the Campania derby at Avellino.
Antonino Curro', June 17 2001.
Like Raciti, Messina fan Curro' is victim of Catania hooligans.
The 24-year-old was killed at Messina's Stadio Giovanni Celeste by a flare fired by fans of the Sicilian rivals.
Ciro Alfieri (aged 15), Giuseppe Diodato (15), Vincenzo Loi (16); Simone Vitale (22), May 24 1999.
These four young Salernitana fans died in a fire on the train that was bringing them back from the last game of the season at Piacenza. Vitale helped save two youngsters from the flames before succumbing to them.
Vincenzo Spagnolo, January 29 1995.
Genoa fan Vincenzo Spagnolo was stabbed to death by an AC Milan supporter in the area of Genoa's Marassi Stadium.
Salvatore Morchella, January 30 1994.
Morchella died of his wounds after jumping off a train to escape from Messina hooligans returning from a match in Ragusa. The thugs went after the 22-year-old because he tried to defend a young woman they were molesting.
Antonio De Falchi, June 4 1989.
AS Roma fan De Falchi died of a heart attack at just 17 years of age after being attacked by a group of AC Milan hooligans outside Milan's San Siro Stadium.
Nazareno Filippini, October 17 1988.
Ascoli fan Filippini died in hospital eight days after being clubbed and stoned by Inter hooligans following a Serie A match.
Giuseppe Tomasetti, December 7 1986.
Tomasetti, a 21-year-old Sambenedettese fan, was stabbed to death during a match at Ascoli.
Marco Fonghessi, September 30 1984.
AC Milan supporter Fonghessi, 23, was stabbed in the heart by a fellow Milan fan who mistook him for a follower of the visitors to the San Siro that day, Cremonese.
Stefano Furlan, February 8 1984.
Triestina fan Furlan went into a coma and subsequently died of the injuries sustained during clashes with Udinese supporters at an Italian Cup game.
Andrea Vitone, March 21 1982.
This 13-year-old boy was killed in a train set alight by Roma fans following their side's defeat in Bologna.
Vincenzo Paparelli, October 28 1979.
Paparelli, a 33-year-old Lazio fan, was killed by a flare fired into his eye by Roma fans ahead of the capital derby match.
Gaetano Plaitano, April 28 1963.
Plaitano was killed by a stray bullet fired by police trying to control rioting during a third-division game between Salernitana and Potenza.
This list does not include the 32 Italians who died along with seven non-Italians at the Heysel Stadium in Brussels on May 29 1985 during trouble before the Juventus-Liverpool European Cup final.
Here is a list of other significant incidents of Italian soccer violence over the last 10 years:
March 2006, Roma-Middlesbrough. Three English fans stabbed after Roma fans throw flare into Rome bar ahead of UEFA quarter-final.
April 2005, Inter Milan-AC Milan. The second leg of the Champions League quarter-final between the Milanese giants was suspended after Inter fans showered the pitch with flares. One of the flares hit Milan's Brazil goalkeeper Dida on the head.
September 2004: Roma-Dynamo Kiev. Champions League game abandoned after Danish ref Anders Frisk bloodied by thrown lighter.
March 2004, Roma-Lazio. The derby match was suspended at the request of fans who invaded the pitch and claimed the police had killed a young boy. The allegation was false. Clashes between police and fans took place after the game was suspended.
March 2002, Roma-Galatasaray. Post-match brawl involving players, police brought lengthy UEFA bans, sparked brief diplomatic spat between Italy and Turkey.
October 2000, Lazio-Arsenal. Two fans of the London-based club were stabbed in the area of Rome's Olympic Stadium before this Champions League game.
March 2000, Roma-Leeds. One Leeds fan slashed before this UEFA Cup encounter.
October 1999, Sampdoria-Bologna. Two hours of rioting and clashes with police took place around Genoa's Marassi after an Italian Cup tie.
January 1998, Brescia-Fiorentina. Clashes between fans of the two teams left around 50 people injured, including 12 police officers.
October 1997, Italy-England. Around 40 England supporters were arrested during clashes before this crucial World Cup qualifier. One English fan was stabbed. The British government complained about the Italian police's heavy-handed crowd control.
