Unable to withdraw - Scam

Dear all;I wrote this message to send to whom want to invest in stock trading or Forex trading.PLEASE STAY AWAY FROM THIS BROKER!!!I joined Forex trading through out an introduction of a beautiful girl who confirm that she will help me earn money from this kind of market. She introduced me with another girl who is called ONLINE SERVICE.I joined and invest some money. She also helped me earn money from Forex as she said BUT.. when I want to withdraw some of my won money, the ONLINE SERVICE girl asked me to give her a sum of money called TAX for all of my winning money. It is very strange because it is not happen in my country and even I asked her to deduct that tax from my withdraw money but she refused.Finnally, I tried to lose all of my winning money and asked to withdraw my invesment money only.