The spokesman said that a total of nine people are currently suspected of involvement in the criminal case, six of them are Russian nationals and three Spanish.
"Two Russian women - 30-year-old Marina G. and 27-year-old Olga B. - and two Spanish nationals have been already arrested," the spokesman said.
For many years members of the criminal group, the spokesman said, targeted poor women in remote Russian towns promising them jobs in show business on the Canary Islands.
"The so called 'organizers' pledged to pay all travel expenses, but once the girls were in Spain they were forced to work as prostitutes to pay off the money," the spokesman said. "According to our information, about 300 Russian women were deceived by this method."
The women worked as prostitutes in night clubs in Almeria and Fuerteventura, one of the Canary Islands, but three of the women managed to run away from the gang and went to the police.
"One of the women, who went to the police in Fuerteventura, was an athlete with the Russian Olympic team at the 2004 Olympics in Athens. She arrived in Spain in 2005 at the age of 18," the spokesman said, but refused to give the name of the athlete.
This is not the first time this year, that police in Spain have clamped down on international criminal gangs, dealing in the trafficking of women from Russia, forcing them to become prostitutes.
In April this year 40 Russian women were freed from sex slavery in a special police operation in Costa Brava. Most of the women were from St. Petersburg and had been held captive under threat of physical violence.
Seven people, including the leader of the gang - an Albanian national - were arrested and face charges of human-trafficking and organizing a prostitution ring. Other gang members included three Russians, an Albanian, from Kosovo, and an Armenian.
Criminal gangs involved in this highly-profitable business normally recruit women, with offers of legal work abroad and promising to sort out their visas. The women are then forced into prostitution to pay off their debts and their documents are stolen, leaving them as sex slaves.
The UN High Commissioner for Human Rights reported last year that more than 500,000 women have been sold from Russia since the collapse of the Soviet Union in early 1990s.
