The Swiss tax authorities say they have found 450 people with links to offshore entities but it is not clear whether these have been used to hide assets.
The law firm at the centre of the "Panama Papers" scandal said on Thursday it expected the prosecution of a worker from its Geneva office detained on suspicion of stealing company documents.
The unauthorized use of the International Red Cross's name by entities listed in the Panama Papers poses "enormous" risks for its operations and staff, the head of the humanitarian body said in an interview published on Sunday.