The Interior Ministry said several other people were suffering from shock.
"Someone came to the office and left a package. The secretary that opened it in fact opened a parcel bomb. The parcel bomb killed her," said senior Paris lawyer Christian Charriere-Bournazel.
Paris Mayor Bertrand Delanoe said the building targeted - in the 8th district of the French capital - also houses a foundation that does research on the Holocaust. But the mayor stressed that he knew of no link between that fact and the attack.
The building also houses a law firm that Nicolas Sarkozy, now the French president, used to work with.
Russian Finance Minister Anton Siluanov announced a possible move that Russia can take in response to new US sanctions
Not that long ago, American soldiers would train their skills to counter insurgent and partisan military organizations. These days, they are trained to show resistance to the regular army of a potential adversary
The Central Bank of Turkey announced measures to protect the financial market of Turkey against the background of the collapse of the Turkish lira and conflict of interests with the United States of America