Charlie Hebdo Massacre: New Police Killing Rocks Paris
A second person was seriously injured in the attack in the southern suburb of Montrouge, after which the gunman fled.
It is unclear of the incident is related to the Charlie Hebdo massacre, which traumatised France.
Police have made seven arrests in the hunt for two brothers, the main suspects,. A third has surrendered.
Arrest warrants were issued for Cherif and Said Kouachi, said to be “armed and dangerous”.