ZURICH (Reuters) – Three organisations have filed a criminal complaint to federal prosecutors in Switzerland, alleging possible money laundering and a failure to exercise due diligence at UBS in relation to funds they say were received by an alleged associate of former Congolese president Joseph Kabila. “The criminal complaint transmitted to the (Office of the Attorney General)… relates to the actions of …a Belgian businessman close to Joseph Kabila, and (to) UBS in Geneva and Zurich, where he received funds of shady origin,” Swiss campaign group Public Eye, which filed the complaint along…