In France, a letter exploded when it was opened at the offices in central Paris of the International Monetary Fund (IMF) today and one person was slightly injured. <br/><br/>The Paris police department said an operation was ongoing at the offices of the IMF and World Bank after a person was hurt following the apparent explosion of a suspect package. <br/><br/>The incident, just six weeks before a presidential election, comes as a militant Greek group Conspiracy of Fire Cells claimed responsibility for a parcel bomb mailed to German Finance Minister Wolfgang Schaeuble yesterday.