I withdrew £510 you gave me half my winnings then verification problems

I won £510 withdrew got over half my money and then they kept £180 telling me they need me to verify my account I've sent my passport photo 10 times and my bank card both failed to verify How can that be? Rip off merchants Company is in Israel which absolutely disgusting customer service Laughing at me down the phone at one point My own winnings is being denied payment I will take you court and ill have you pay for my day off work plus interest and transport costs This is a F€£¥ing joke