Taiwan television stations have broadcast pictures of former President Chen Shui-bian being led from a prosecutor's office in handcuffs.
The stations report that Chen is being taken to Taipei district court, where prosecutors are seeking an arrest order from a judge.
There has been no official statement from prosecutors on the case.
Chen faced more than five hours of questioning Tuesday in connection with his role in an alleged money laundering scheme.
Taiwan media say that prosecutors have recommended the arrest of former President Chen Shui-bian on corruption charges.
All of the island's seven cable news stations say the decision came after Chen underwent more than five hours of questioning on his alleged role in a money laundering scheme.