He was taken to hospital with his driver, who was also hurt, a police official said, declining to be named. Greek state TV reported that Papademos's injuries were not life-threatening.
"Doctors are more worried about his eyesight," the police official said.
EU-Turkey migrant deal turned Greek islands into 'prisons'
Papademos, also a former central bank chief, was appointed caretaker prime minister in November 2011 at the height of financial crisis with a mission help his country stay in the euro zone. He held the position until elections in May 2012.
A police officer secures the area around the car of former Greek prime minister and former central bank chief Lucas Papademos following the detonation of an envelope injuring him and his driver, in Athens, Greece, May 25, 2017. PHOTO: REUTERS
Greek security has intercepted several attempted attacks on Greek, German and International Monetary Fund officials over the past two months.
An envelope containing bullets and addressed to Greece's general secretary for public revenue was intercepted at a post office branch in Athens on Tuesday.
In March, police intercepted eight suspect packages at a postal sorting center in Athens, including some addressed to the IMF in Paris and the German Finance Ministry. The rigged package to the IMF exploded, injuring a postal employee.
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