hello everyone did my interview 2 weeks ago and the interview went well the co said i should send all the original documents. she kept my passport and all other documents, they want me to sand the original birth certificate and divorce papers for me and my fiancé and my Nigeria police certificate, which have sent all of it to them by the address they email to me, and they already received it, i just want to know how long it will take for them to approve my visa.