A letter bomb has exploded at the French office of the International Monetary Fund, lightly injuring one person, Paris police said.

No other damage has been reported from the incident in western Paris, a police official said.

It is unclear who sent the letter.

Police experts are at the scene, said the official.

France remains in a state of emergency after a string of deadly Islamic extremist attacks over the past two years.

Sign up to our free newsletters

Get the best updates straight to your inbox:
Please select at least one mailing list.

You can unsubscribe at any time by clicking the link in the footer of our emails. We use Mailchimp as our marketing platform. By subscribing, you acknowledge that your information will be transferred to Mailchimp for processing.